Product Details: *100% brand new and high quality. *Made of high-quality materials, durable and practical. *Sufficient quantity, fully meets your daily work and life needs. Specifications: *Color: Black *Tooth shape: Trapezoidal tooth *Tooth pitch: 5.08 mm Circumference: 228.60 mm Number of teeth: 45 teeth Belt thickness = 2.30 mm Tooth height = 1.27 mm *Model: 90XL *Quantity: 2/4/7/10 Packing list: 2/4/7/10 belts Tips: Conversion: 1 inch = 2.54 cm, 1 cm = 0.393 inch All pictures are in professional colors, but due to different ambient light and display settings, there may be some deviations between the pictures you see and the actual project. Please note. The data is measured manually, there may be some deviations, but it does not affect the use. Note: 1. The actual color of the item may differ slightly from the images shown on the website, caused by many factors such as screen brightness and light brightness. 2. Please allow a slight deviation in manual measurement of the data.