1. The spur gears are made of high-strength steel, suitable for withstanding the pressure of heavy-duty applications.2. The structural design of the steel gears emphasizes stability and durability, enabling them to withstand long-term operation in harsh environments.3. Precision machining processes ensure smooth gear surfaces and burr-free edges, guaranteeing safe operation.Packing list1 unit 1Mod Gear Rack steel 10*10*500mm1unit 1Mod 15teeth pinion (you can choose the bore size you need)Product application: all kinds of machinery and equipment rail useMaterial: 45 # steelother sizes: mod he * s * l(mm) 1. Each pinion is equipped with a fixing screw for easy installation. 2. The spur gears are wear-resistant, produce less noise, and roll more smoothly. 3. Widely used in various electric grinding machines, gearboxes, reducers, and gear reducers. Model KSPBPPFMP-F8D46367 Brand Name Generic Part Number KSPBPPFMP-F8D46367 Manufacturer hongmshangmao Material Type Metal