Amazon.com: Parts & Accessories 10pcs/lot 213mm Belt Pulley Plastic Belt Pulley Wheels DIY Toy Model Accessories Drive Pulley Fit 2mm Diameter Motor Shaft : Toys & Games
Lot 625 Plastic Bearing, Pom Plastic Pulley Roller, Door And Window Drawer Pulley, Small Nylon Wheel, Plastic Groove Wheel, Plastic Wheel, 625 Bearing Bore, Roller Diameter, Thickness, U Slot Arc Diameter, Small