Features Accurate Power Transmission: Experience consistent performance with a synchronous wheel that prevents slippage, ensuring a reliable and stable transmission ratio Durable Aluminum Alloy Build: Crafted from high-quality aluminum alloy with oxidation treatment, this timing belt pulley offers exceptional craftsmanship and long-lasting accuracy High-Quality Rubber Belt: Featuring a fiber-reinforced rubber construction, the included belt provides excellent elasticity, anti-skid properties, and an extended service life Efficient Performance Design: Benefit from high transmission efficiency and energy savings, thanks to the stable tooth pitch and optimized design of this mechanical timing pulley Versatile Application Range: Ideal for a variety of machines, including 3D printers, milling machines, and CNC lathes, this timing pulley meets diverse mechanical transmission needs Features: 1、Accurate Transmission: The synchronous pulley does not slip when working, the transmission ratio is constant, and the performance is stable. 2、Aluminum Alloy Material: The synchronizing wheel is made of aluminum alloy, with oxidation treatment, , fine workmanship and high transmission accuracy. 3、Rubber Belt: The timing belt is made of fiber reinforced rubber, which is elastic, has good anti skid effect and has a long service life. 4、Excellent Performance: This synchronous wheel has stable transmission, tooth pitch, high transmission efficiency and good energy saving effect. 5、Widely Use: This synchro wheel can be used in 3D printers, milling machines, gear grinding machines, drilling machines, CNC lathes, gear hobbing machines or other mechanical transmission situations. Specification: Item Type: Timing Belt Pulley Material: Aluminum alloy and rubber Timing Belt: Length: Approx. 610mm / 24in Width: Approx. 6mm / 0.2in Number of Teeth: 20 and 60t Screw: M4 Package List: 4 x Synchronous Wheel 2 x Timing Belt 1 x Hex Wrench Package List 4 x Synchronous Wheel 2 x Timing Belt 1 x Hex Wrench