Event Horizon Spinner Coin giftguide concave finish on both sides

concave finish on both sides

2 × 22 mm screws (up to 12 keys)

and the handy holder will also store standard hex bits - giving you extra functionality for your favorite hobby

Simple tension-lock design

Weather-resistant

Event Horizon Spinner Coin giftguide concave finish on both sidesA pocket sized black hole that can be carried with you. Each black hole in space has an event horizon, which is a point of no return. Anything that crosses the horizon cannot escape from the gravitational pull of a black hole. Not even light, because the escape velocity would need to be faster than light, which is simply impossible. The contact point of this this coin is ceramic, and it can spin from 5 to 15 minutes. It's also tactile and soothing,