Features ​​【Unique Design】Designed to hang objects of weight to lighten the load. 【Product Capability】Smooth operation and low wear, good bearing capacity. 【Durable to Use】High strength bearing wheel, sturdy structure, durable and reliable. 【Easy to Use】Easy to operate and maintain, high work efficiency. 【Main Usage】Professional manufacturing bearing wheel with heat treated, high reliability. Features: 【Product Capability】Smooth operation and low wear, good bearing capacity. 【Easy to Use】Easy to operate and maintain, high work efficiency. 【Main Usage】Professional manufacturing bearing wheel with heat treated, high reliability. Specification: Condition: 100% brand new Diameter: 28mm / 1.1in, 32mm / 1.3in, 48mm / 1.9in, 56mm / 2.2in (Optional) Package List: 1* Bearing Wheel  Package List