Superior wear resistance and proper traction but without deformation. Premium both the duration and the ability to absorb vibration. Smooth on both sides. Do not worry about the mounting direction. Do not stretch again, while reducing motor stains. Widely used in recorders, CD-ROM video machines, Walkman, DVD drive. Belts only, other accessories demo in the picture is not included! Tips: Accessories must be installed by a certain maintenance technician. Specification: Material: Rubber Type: Drive Belt Color: Black Shape: Square Size: Folded (diameter) Folded in half 25mm (diameter 15.9) Folded in half 38mm (diameter 24.2) Folded in half 48mm (diameter 30.6) Folded in half 50mm (diameter 31.8) Folded in half 55mm (diameter 35) Folded in half 60mm (diameter 38.2) Folded in half 65mm (diameter 41.4) Folded in half 70mm (diameter 44.6) Folded in half 75mm (diameter 47.8) Folded in half 80mm (diameter 50.9) Folded in half 85mm (diameter 54.4) Folded in half 90mm (diameter 57.3) Folded in half 95mm (diameter 60.5) Folded in half 100mm (diameter 63.7) Folded in half 105mm (diameter 66.9) Folded in half 110mm (diameter 70.7) Folded in half 115mm (diameter 73.2) Folded in half 120mm (diameter 76.6) Folded in half 125mm (diameter 79.6) Folded in half 130mm (diameter 82.8) Folded in half 135mm (diameter 86) Folded in half 140mm (diameter 89.2) Width: 1.5mm Quantity: 1 set (10 pcs) Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 10 pcs x Belts