Fidget Spinner

• Heaviest design for maximum angular momentum Custom machined body from 360 Brass
• twice thickness of usual spinner - 14 mm thick.
• Tungsten Alloy counterweights - 22 mm diameter, 7 mm thickness (17 gm/cm^3 density) . These are not tungsten carbide, but tungsten alloy - heavier - counter balanced to better than +- 0.02 gm - x 6 total tungsten weights
• R188 bearing for maximum spin time - individually selected out of large batches for best performance R188 to 608 adapter (bearings easily interchangeable)
• Stainless steel center bearing caps Total weight 472 gm (> 1 pound)
• Spin time recorded at 13+ minutes - guaranteed
• Certificate with actual spin time of unit provided NOTE: Always spin with engraved logo facing up when testing for spin time (Note: Aluminum spinner in picture for reference only - not included with this product)

Precision Laser Etched / Marked (x10 characters, repeated x 3, or any text in a circular pattern around hub). Let me know the text message with the purchase, it will be in place of the currently engraved company logo.

Pictures show possible laser markings on the tungsten weights, or the center hub as well