Bore pulley for 3d printer: made of material, heat-resistant, fatigue resistance and wear-resistant, 3D Printer Pulley; 3d printer pulley: replace your old or broken bearing with new one, 3D Printer Bearing; 3d printer bearing: portable and light weight, easy to carry and storage, 3D Printer Pulley; 3d printer ball bearing: easy operation, and durability, reduce maintenance, 3D Printer Pulley; Ball bearing: the examine coefficient is small, be applicable to the high running, with a from the cylinder, 3D Printer Pulley

What's in the box
5 x 3D Printer Accessories