High Performance: The aluminum pulley wheel transmits smoothly and non slip, with precise teeth pitch and constant transmission ratio, efficient and energy saving. Rubber Timing Belt: The closed timing belt adopts fiber reinforced rubber, which is full of elastic, provides excellent working performance. Wide Purpose: This pulley kit can be widely used in 3D printer, milling machine, gear grinding machine, drilling machine, CNC lathe, gear hobbing machine or other mechanical transmission occasion. Aluminum Alloy Pulley: The synchronous wheel is fine made of aluminum alloy material, and the surface is oxidized, which is anti aging, has high strength and long service life. Easy Installation: The synchronous wheel is simple in structure, comes with a wrench, easy to install and disassemble, making your 3D printer work easier and more convenient. › See more product details