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 29 reviews
90%
(26)
7%
(2)
3%
(1)
0%
(0)
0%
(0)
S
SPIN G. (Hayward, US)
Awesome Piece of Glass

I’m Glad I got one of these
Glass bases for my tops.
I like having different pcs of glass to spin on.
Im actually thinking about getting another one.
What is nice it has some good weight to it and won’t move on you.
The glass has a shallow concave to it.
I like the size for my bigger Tops!
But it’s really great for all Sizes.
If you don’t have one like this?
I suggest trying it out!
Good Luck!
Enjoy Spinning
Your Tops 👍

S
SPIN G. (Hayward, US)
Awesome Piece of Glass

I’m Glad I got one of these
Glass bases for my tops.
I like having different pcs of glass to spin on.
Im actually thinking about getting another one.
What is nice it has some good weight to it and won’t move on you.
The glass has a shallow concave to it.
I like the size for my bigger Tops!
But it’s really great for all Sizes.
If you don’t have one like this?
I suggest trying it out!
Good Luck!
Enjoy Spinning
Your Tops 👍

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

R
Robert J. (Chicago, US)
Beautiful Lovely Gorgeous Base

Buy It. It’s really worth every cent, other bases are so much smaller and cheaper. This one is large and a crystal clear show piece - gives beginners some room to practice their spinning technique.

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

Customer Reviews

Based on 29 reviews
90%
(26)
7%
(2)
3%
(1)
0%
(0)
0%
(0)
S
SPIN G. (Hayward, US)
Awesome Piece of Glass

I’m Glad I got one of these
Glass bases for my tops.
I like having different pcs of glass to spin on.
Im actually thinking about getting another one.
What is nice it has some good weight to it and won’t move on you.
The glass has a shallow concave to it.
I like the size for my bigger Tops!
But it’s really great for all Sizes.
If you don’t have one like this?
I suggest trying it out!
Good Luck!
Enjoy Spinning
Your Tops 👍

S
SPIN G. (Hayward, US)
Awesome Piece of Glass

I’m Glad I got one of these
Glass bases for my tops.
I like having different pcs of glass to spin on.
Im actually thinking about getting another one.
What is nice it has some good weight to it and won’t move on you.
The glass has a shallow concave to it.
I like the size for my bigger Tops!
But it’s really great for all Sizes.
If you don’t have one like this?
I suggest trying it out!
Good Luck!
Enjoy Spinning
Your Tops 👍

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

R
Robert J. (Chicago, US)
Beautiful Lovely Gorgeous Base

Buy It. It’s really worth every cent, other bases are so much smaller and cheaper. This one is large and a crystal clear show piece - gives beginners some room to practice their spinning technique.

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

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