Item Type: Round Rubber Motor Belt Material: Rubber Round Belt Diameter(thickness): Approx. 5mm / 0.2in ModelCircumference(approx.) 5405-0005-0494494mm / 19.45in 5405-0005-0533533mm / 20.98in 5405-0005-0573573mm / 22.56in 5405-0005-0613613mm / 24.13in 5405-0005-0653653mm / 25.71in Package List 5 x Round Rubber Motor Belt Please match the appropriate size before use. 1Good Flexibility: The round belt is used for round belt transmission, the round belt transmission depends on press between the belt and the wheel groove to generate friction, has good flexibility 2Relieve Shock And Vibration: Belt can relieve shock and vibration during operation, bring smooth movement and low noise 3Protect Machine And Motor: The belt slips when the load is too large, which protects the machine and motor, very stable 4For Transmission Applications: Round belt transmission is particularly useful in some low speed and small power transmission applications 5Not Easy To Discourage: Good quality rubber material is elastic, wear resistant, cold resistant, not easy to discourage, the diameter of the round belt is 5mm