Cheap And Discounts 4 Pcs/Lot 2 Inch Caster Single Wheel Diameter 50mm Plastic Nylon Light White Pp Smooth Roller Idler Bearing Pulley Wholesale. Buy Directly From Merchant Good Quality Tools Accessories Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.