2Pcs Steel Gear Rack 1.5Mod 500mm x 20mm x 20mm Total 3.3ft Heavy Duty Linear
Description:Material: Made of 45# steel with high hardness, strength, and anti-wear properties for longer service life. Corrosion resistance and more durable, steel gear racks last longer than nylon racksFeature: Racks are used to convert rotary motion into linear motion. Precision machining, straight tooth design, accurate tooth shape, smooth fit, high transmission efficiency. They have the characteristics of mechanical simplicity, high load-carrying capacity, and unlimited lengthEasy to Install: It has drilled installation holes that make it easy to install this product on the door, which makes it easier to process, install, and debug. Only gears of the same type can be used with racks.