Features: 1. TPR material wheel bottom, strong toughness, shock absorption and wear resistance. 2. Manganese steel brackets are connected, easy to install, hard and easy to deform, long service life. 3. Built-in accurate bearing rotation, smooth use and no stuck. 4. Low frictional resistance, high temperature resistance, high speed, low noise. 5. Can be used for the replacement casters of tool carts, trolley, medical carts, etc. Specification: Condition: 100% Brand New Item Name: Caster Bracket Material: Manganese Steel Wheel Material: TPR Size: 3 inches Outer Diameter: Approx. 75mm / 3in Thickness: Approx. 32mm / 1.3in Fixing Seat: Approx. 95 * 65mm / 3.7 * 2.6in Fixed Hole Center Distance: Approx. 45 * 74mm / 1.8 * 2.9in Fixing Screw: M8 Fixed Hole Position: 4 Caster Type: 1: Universal casters with brakes, 2: Universal casters, 3: Rigid Casters (optional) Package List: 1 * Caster Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List 1TPR material wheel bottom, strong toughness, shock absorption and wear resistance. 2Manganese steel brackets are connected, easy to install, hard and easy to deform, long service life. 3Built-in accurate bearing rotation, smooth use and no stuck. 4Low frictional resistance, high temperature resistance, high speed, low noise. 5Can be used for the replacement casters of tool carts, trolley, medical carts, etc.