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Robertson Stainless Steel Magnetic Slider 

The Bruce Charles Designs Robertson Stainless magnetic slider introduces a totally new and unique variation on our classic Brass Robertson Magnetic Slider for your enjoyment.

**NEW!! Effective 3/11/24: We have made some changes to all of the Robertson magnetic sliders. We switched from a 5mm diameter magnet to a 6mm diameter magnet of N52 grade, which our testing has shown provides a better experience.

Features:

• Double-sided slider for two different slider experiences in one.
• Symmetrical design allows for flipping one slider on top of another.
• Magnet strength: Medium-strong on the strong side
• Magnet configuration: 3 x 2
• Magnet Type: 6mm diameter x 3.5mm length N52 grade
• Dimensions: 31 x 49 x 11mm
  
• Weight: 2.1 oz
• Recommended for ages 16+
  
• Proudly made in Dallas Tx, USA.
  

Superior Craftsmanship

The one piece body is CNC machined from a single piece of stainless. The magnet bores are held to very tight tolerances to provide a secure press fit without any adhesives. The final magnet depth is set to precisely .8mm from the top surface for the strong side of the magnets using purpose-built jigs and fixtures.

Sliding surfaces intentionally have toolmarks which, after break-in, will provide a wonderfully smooth sliding surface.

I decided that the overall design is so delightfully minimalistic that I didn’t want to put our logo on it. The only mark is a subtle “+” to indicate the strong side of the slider. So we’ll just rely on word of mouth when your friends ask you “Where did you get that!?” We know you’re good for it.

Excellence by Design

The original brass Robertson is the result of a long design and redesign process that ran into a dead end. I was about to give up altogether. But before I abandoned the machining setup, I decided to try something totally different: A fidget slider with exposed magnets on both sides for symmetrical functionality. As soon as I tried the first one I knew I had stumbled onto something unique and enjoyable.

First, it was smooth. I mean SMOOTH. In fact, you could make it bold and throw in an extra “O” and that still doesn’t capture how smooth it was. So little brass is touching during sliding and rotation that it feels like a precision bearing.

Second, it was light and slim. At 11mm, it’s less than ⅔ the thickness of the Lowrey. If you prefer older measurement systems, it’s less than half an inch thick. I’m not sure how many barleycorns that is. See why metric is awesome?

Third, the exposed magnets on both sides enables two things:

• The magnet depths are set differently on the two sides so there is a strong side and a weak side. You can change between strong and weak just by moving one slider to the back or front and using the other side magnets. On the strong side, marked with a "+", the magnets are set to .8mm from the surface, while they are 1.2mm from the surface on the opposite side.
• The Robertson can do flips if you hold it JUST right.

Fourth, it is unique in its skeletonized design. This creates a slider that is visually engaging, and as a nice side effect, it also means it is very light! It’s actually lighter than our Aluminum & Brass Lowrey! But the mass is out near the edges, as are the magnets, so the inertia is there for laddering moves.  

A Gift to be Cherished

Presentation makes a lasting impact. Take delight in receiving and opening your Robertson box and packaging or enjoy watching someone you love unpack the gift box and realize this is no ordinary gift! 

What's the Robertson name all about?

Lowrey Aluminum & Brass Magnetic Slider & Clicker

The Bruce Charles Designs Lowrey magnetic slider lets you express your excess energy in a profoundly enjoyable and satisfying way.  

Now Available: The “Crunchy” Lowrey

As of May 9, 2025, we’ve updated our manufacturing process for the Lowrey Aluminum & Brass Magnetic Slider—and we’re finally able to offer two distinct variations:

• Original: Solid press-fit magnets (quiet, smooth, discreet)

• Crunchy: Slip-fit magnets that shift slightly inside the body, adding a subtle snap to every click.

The Crunchy Lowrey has a completely different vibe. The magnets move just enough—less than a millimeter—to make a satisfying, audible pop every time the slider fires. It’s not obnoxious, but it’s definitely more vocal than the original.

Personally, the Crunchy’s my favorite. The extra movement adds a tactile liveliness, and the sound gives each slide a little burst of feedback that’s ridiculously satisfying. You’ll hear and feel it every time—and if your main goal is stress relief, this is the one to grab.

If you prefer something quieter (or just want the classic Lowrey we’ve been making for nearly 4 years), the Original is still available too.

Features:

• Uniquely textured and machined surface for optimal grip and feel.
• Fully enclosed neodymium magnets.
• Permanently joined aluminum and brass structure.
• Magnet strength: Strong
• Magnet configuration: 3 x 2
• Magnet Type: 6mm diameter x 3.5mm length N52 grade
• Dimensions: 25 x 44 x 18mm
  
• Weight: 2.7 oz
• Recommended for ages 16+
  
• Proudly made in Dallas TX, USA.
  

Tips, Cleaning, Maintenance

Already own a Lowrey Magnetic Slider and looking for tips on usage or maintenance? Check out our Lowrey Quick Start Guide here.

**NEW** Personalized Engraving

Make your brand new Lowrey Magnetic Slider extra special with a personalized name or message laser engraved on the sliding surface. Laser engraving requires a few special considerations:

• The engraving process leaves small burrs on the metal that will smooth out quickly with use. See our video guide to breaking in your engraved slider here.
• Text is limited to 16 characters. Logo engraving is not yet available, but will be coming soon. Email us your logo if you would like more information.
• Laser engraving personalization orders will ship in 3-5 business days.

Superior Craftsmanship

The primary body and outer surface (the parts you push and pull to move) is CNC machined from a single billet of precipitation-hardened aluminum for durability and long life. The aluminum is not polished, which allows the machining patterns from 3 different milling tools to add visual complexity to the compound curves and grooves.

Excellence by Design

The Lowrey is the result of a (somewhat obsessive) design and re-design process that explored materials and production techniques with an uncompromising focus on balance.

Four different sizes and strengths of neodymium magnets were tried and tested. We chose the one that felt most satisfying.

Over 20 different surface treatments were tested to find one that offered enough grip but wouldn’t leave thumbs sore from extended use. 

Finally, 4 different materials were used in various configurations to find the sliding feel that offered a distinct “snap!” into place.

A Gift to be Cherished

Take delight in receiving and opening your Lowrey box and packaging or enjoy  watching someone you love unpack the gift box and realize this is no ordinary gift! 

What's the Lowrey name all about?

Robertson Brass Magnetic Slider 

The Bruce Charles Designs Robertson magnetic slider introduces a totally new and unique slider for your enjoyment.

**NEW!! Effective 3/11/24: We have made some changes to all of the Robertson magnetic sliders. We switched from a 5mm diameter magnet to a 6mm diameter magnet of N52 grade, which our testing has shown provides a better experience.

Features:

• Double-sided slider for two different slider experiences in one.
• Symmetrical design allows for flipping one slider on top of another.
• Magnet strength: Medium-strong on the strong side
• Magnet configuration: 3 x 2
• Magnet Type: 6mm diameter x 3.5mm length N52 grade
• Dimensions: 31 x 49 x 11mm
  
• Weight: 2.1 oz
• Recommended for ages 16+
  
• Proudly made in Dallas Tx, USA.
  

Superior Craftsmanship

The one piece body is CNC machined from a single piece of brass. The magnet bores are held to very tight tolerances to provide a secure press fit without any adhesives. The final magnet depth is set to precisely .8mm from the top surface for the strong side of the magnets using purpose-built jigs and fixtures.

Sliding surfaces intentionally have toolmarks, which after break-in will provide a wonderfully smooth sliding surface.

I decided that the overall design is so delightfully minimalistic that I didn’t want to put our logo on it. The only mark is a subtle “+” to indicate the strong side of the slider. So we’ll just rely on word of mouth when your friends ask you “Where did you get that!?” We know you’re good for it.

Excellence by Design

The Robertson is the result of a long design and redesign process that ran into a dead end. I was about to give up altogether. But before I abandoned the machining setup, I decided to try something totally different: A fidget slider with exposed magnets on both sides for symmetrical functionality. As soon as I tried the first one I knew I had stumbled onto something unique and enjoyable.

First, it was smooth. I mean SMOOTH. In fact, you could make it bold and throw in an extra “O” and that still doesn’t capture how smooth it was. So little brass is touching during sliding and rotation that it feels like a precision bearing.

Second, it was light and slim. At 11mm, it’s less than ⅔ the thickness of the Lowrey. If you prefer older measurement systems, it’s less than half an inch thick. I’m not sure how many barleycorns that is. See why metric is awesome?

Third, the exposed magnets on both sides enables two things:

• The magnet depths are set differently on the two sides so there is a strong side and a weak side. You can change between strong and weak just by moving one slider to the back or front and using the other side magnets. On the strong side, marked with a “+”, the magnets are set to .8mm from the surface while they are 1.2mm from the surface on the opposite side.
• The Robertson can do flips if you hold it JUST right.

Fourth, it is unique in its skeletonized design. This creates a slider that is visually engaging, and as a nice side effect, it also means it is very light! It’s actually lighter than our aluminum/brass Lowrey! But the mass is out near the edges, as are the magnets, so the inertia is there for laddering moves.  

A Gift to be Cherished

Presentation makes a lasting impact. Take delight in receiving and opening your Robertson box and packaging or enjoy watching someone you love unpack the gift box and realize this is no ordinary gift! 

What's the Robertson name all about?