Another masterpiece from Kreis Magic! It looks similar to its predecessor, but a brand new version.
Spectator fastens the nut on the bolt and then the nut rotates in both forward and reverse directions. The direction is fully controllable. The reverse rotation looks almost like turning back the clock.
The M8 size bolt with an inside diameter of 5mm contains an electronic circuit which makes the nut rotate in forward and reverse directions. Kreis's surprisingly precise machining has made it feasible.
As same as the original version:
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