Makeblock Timing Pulley Slice 62T-B is the new version of Timing Pulley Slice 62T-Blue. As the "dam-board" of Timing Pulley 62T, Timing Pulley Slice 62T-B can prevent the slipping of the timing belt when working .
 
Features:
Made from 6061 aluminum , 0.8mm thick, anodized surface.
Diameters: 25mm (inside), 42mm (outside).
8 Plastic Rivets included.
Sold in four.