Features:* Made of positive material, 1. Thick wear-resistant door wheel wardrobe sliding door wheel2. High-quality materials, cold-rolled metallic plate + stepped forward plastic spraying treatment, to ensure that the product is load-resistant, pressure-resistant, and crack-resistant3. Silent, nylon pulley, preferred material, self-contained bearing, soft and silent, moist and silent4. Built-in cleaning function, routinely cleans after each exercise is turned on or off, refuses to accumulate dust, and is extra 5. Height adjustable, fine-tuning up and down, balance can be adjusted up and down, comfortable , no blockageSpecification:* Material: nylon+iron* Colour: Black* Product size: 7.5*3.8cm (approx.)* Quantity: 1pcsPackage content:* List 1: 1 x dresser pulleyNote:1. Due to various factors equivalent to computer screen brightness and lightweight brightness, the actual colour of the product may be barely diverse from the image displayed on the website.2. Please allow slight guide measurement deviation within the data.