GT2 Idler pulley 20T 4mm for 6mm belt
Product information:
Smooth idler pulley for 3D printers.
Similar to a 20T pulley but without teeth.
Diameter: 12mm
Diameter incl. flange: 18mm
Shaft diameter: 4mm
Belt width: 6mm
Width/Height: 8.6mm
(Pictured 3mm shaft diameter)