Spinning Base - 150mm Glass Concave Lens

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!