Bruce Charles Designs

Spinning Base - 150mm Glass Concave Lens

$42.95

150mm (approx 6") Double Concave Fused Silica Glass Optical Lens - Thickness 0.45” (11.5mm)

Precision Machined

Double concave lens. Fused silica. Harder and more durable than most for years of spin enthusiast fun

Functional, Elegant

Frosted reducing glass lens edges. Polished to a conversation-starting shine for record-breaking spins

Suits All Spin Tops

Made to extend the spin-duration of any spinning top’s contact point. Use one of your own, or take on from our collection for a spin

Hobbyist’s Delight

Know a spin top hobbyist? Our spin base promises to make a special someone smile and spin for years

Features:

Diameter - 150mm/15cm (5.9 in)
Thickness - 11.5mm +- .25mm (0.45 in +-.01 in)
Weight - 531 g (15.2 ounces)
Radius of Curvature - 1500mm - center of lens is 3.3mm thinner than the edges
Material - Fused Silica glass

*Holds up better than standard plate glass or a standard spinning mirror but handle with care as it can still shatter if dropped from a height

Recommended for ages 16+

GIFT OF SPIN
Know someone with a beloved toy spinning top? Gift them speed, excellence and elegance all in one fantastic gift!

Click ADD TO CART to find out how much your top will love this!

Customer Reviews

Based on 26 reviews
88%
(23)
8%
(2)
4%
(1)
0%
(0)
0%
(0)
T
Tiara F.
Arrived super-so-fast with great shipping...

Arrived super-so-fast with great shipping info updates. Beautiful huge lense perfect for all sizes of tops. Highly recommend!!!

M
Marlon P.
5 stars review from Marlon

5 stars review from Marlon

N
Norwood H.
5 STAR DEAL ALL THE WAY THANKS

5 STAR DEAL ALL THE WAY THANKS

P
Paul F.
own a few glasses from bruce and this one...

own a few glasses from bruce and this one is equally special

P
Paul F.
great glass lens! will buy again

great glass lens! will buy again

P
Phil D.
4.0 out of 5 stars Serves its purpose

Would have been better if it was more concave on one side.

P
Paul F.
great lens for custom wood spin station

great lens for custom wood spin station

W
Walter K.
Not sure about being concave. Most of the...

Not sure about being concave. Most of the tops I spin walk their way to the edge and fall off. I just need to get better at spinning in the center.

K
Kendra T.
The glass is thick and even larger than I...

The glass is thick and even larger than I expected. Seems very high quality, and packaging was pretty good. Definitely matched the description and met my expectations.

O
Orion K.
5 stars review from Orion

5 stars review from Orion

Customer Reviews

Based on 26 reviews
88%
(23)
8%
(2)
4%
(1)
0%
(0)
0%
(0)
T
Tiara F.
Arrived super-so-fast with great shipping...

Arrived super-so-fast with great shipping info updates. Beautiful huge lense perfect for all sizes of tops. Highly recommend!!!

M
Marlon P.
5 stars review from Marlon

5 stars review from Marlon

N
Norwood H.
5 STAR DEAL ALL THE WAY THANKS

5 STAR DEAL ALL THE WAY THANKS

P
Paul F.
own a few glasses from bruce and this one...

own a few glasses from bruce and this one is equally special

P
Paul F.
great glass lens! will buy again

great glass lens! will buy again

P
Phil D.
4.0 out of 5 stars Serves its purpose

Would have been better if it was more concave on one side.

P
Paul F.
great lens for custom wood spin station

great lens for custom wood spin station

W
Walter K.
Not sure about being concave. Most of the...

Not sure about being concave. Most of the tops I spin walk their way to the edge and fall off. I just need to get better at spinning in the center.

K
Kendra T.
The glass is thick and even larger than I...

The glass is thick and even larger than I expected. Seems very high quality, and packaging was pretty good. Definitely matched the description and met my expectations.

O
Orion K.
5 stars review from Orion

5 stars review from Orion

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