1、Applicable Model: This 188mm closed loop synchronous belt suits perfectly for for VORON 2.4 M4 extruder, and please double check the model before use. 2、Neoprene Material: Neoprene tape back firmly adheres glass fibers to the pitch line, protecting the left and right sides of tensile materials. In situations where a tape back is needed in transmission, it can prevent damage caused by friction. It has superior water resistance and heat resistance. 3、Fiber Tensile Layer: The fiber tensile layer is a rope composed of multiple strands of fibers, spirally wound along the width of the tape at the pitch line. It has high strength, low tensile strength, good corrosion resistance, and heat resistance. 4、Nylon Wrap Layer: The nylon wrap layer is the anti friction part of the protective tape and should have superior wear resistance. It is composed of nylon cloth with low friction coefficient. The hydrolysis resistance, heat resistance, and impact resistance of chloroprene synchronous belts are better. Its transmission power range is large, especially in high power transmission. The working temperature is generally between ‑34‑100℃. 5、The Tape Teeth: The teeth of the belt are composed of high shear strength and appropriate hardness neoprene rubber, which requires accurate molding and accurate distribution position to fit correctly with the slots of the belt wheel. The tooth root should be kept at a specified distance from the pitch line, and the pitch should not change when bent. Item Type: 3D Printer Timing Belt Product Circumference: Approx. 188mm / 7.4in Tooth Pitch: Approx. 2mm / 0.08in Width: Approx. 6mm / 0.24in (The measurement error is within 5%.) 4 x 3D Printer Timing Belt