1Made of rubber material, very flexible 2Belt is of 5mm circular pitch and 15mm width 3Excellent process, good quality and durable 4Low noise, high wear resistance 5For small precision machinery transmission, such as 3D printers, intelligent plotter, etc Atimingbeltis a non-slipping mechanical drive belt. It is made as a flexible belt with teeth moulded onto its inner surface. It runs over matching toothed pulleys or sprockets, made of rubber and perfect for 3D Printers. Features: Made of rubber material, very flexible. Belt is of 5mm circular pitch and 15mm width. Excellent process, good quality and durable. Low noise, high wear resistance. For small precision machinery transmission, such as 3D printers, intelligent plotter, etc. Specifications: Type:HTD-5M Material: Rubber Circular Pitch: 5mm / 0.19" Belt Width: 15mm / 0.59" Length: 450mm/ 15.74" Teeth Number: 90 Weight: 26g(approx.) Package Includes: 1 x Timing Belt Note: Please allow 1-3mmerror due to manual measurement. Thanks for your understanding.