That is synchronous aluminum belt pulley for 3D printer.
This pulley is for 6mm width GT2 timing belt and 5mm shaft stepper motor.
There are two screws for every set of pulley (the screws are included within the bundle).
Belt Width: 6mm
Bundle Consists of:
5 x GT2 Timing Belt Pulley
1 x Allen Key20T 5 mm bore aluminum GT2 timing belt pulley
Applies to six mm width belt; an allen Key’s included
Two screws are offered for every synchronous pulley and have already got been screwed within the pulley
Undertake prime quality aluminum, excellently machined, Completed easily
Excellent alternative for constructing a 3D printer or comparable initiatives