About This Size: 42" outer girth length; 9.5mm / 0.37" top width; 6.5mm / 0.26" thickness Material: Industrial sewing machine v-belt are made of rubber material, high-temperature resistance, wear resistance, corrosion resistance, and high coefficient friction. The outside fabric wrap is treated with high oil and heat resistance. Features: To link two or more rotating shafts to transmit power in a drive system. Even load distribution on belt drives and good wear resistance.The trapezoidal shape of the belts cross section wedges into the groove of a similarly shaped sheave or pulley to provide traction and alignment. Applications: Rubber v-belt are suitable for industrial sewing machines, overlock sewing machines, interlock sewing machines, buttonhole machines, waist-pulling machines, elastic machines, etc. Applications: Can also be Used for drive systems in the automotive, agricultural, textile, printing, mining, and office equipment industries, ect. Notice: Confirm the size before ordering. Accurate measurement of v-belt length should be done with a belt measuring tool or a soft ruler, not a steel ruler. The width and thickness of the belt should also be measured to confirm the type of belt. Overview Brand : YEQIN Material : Rubber Product Dimensions : 42"L x 0.37"W Belt Style : V Belt Compatible Devices : Sewing Machine