Features:* Made of tremendous material, 1. Thick wear-resistant door wheel wardrobe sliding door wheel2. High-quality materials, cold-rolled steel plate + advanced plastic spraying treatment, to ensure that the product is load-resistant, pressure-resistant, and crack-resistant3. Silent, nylon pulley, appreciated material, self-contained bearing, delicate and silent, moist and silent4. Built-in cleaning function, automatically cleans after each activity is became on or off, refuses to build up dust, and is extra 5. Height adjustable, fine-tuning up and down, stability can be adjusted up and down, gentle , no blockageSpecification:* Material: nylon+iron* Colour: Black* Product size: 7.5*3.8cm (approx.)* Quantity: 1pcsPackage content:* List 1: 1 x wardrobe pulleyNote:1. Due to varied factors equivalent to video display brightness and lightweight brightness, the actual color of the product could also be barely varied from the image displayed at the website.2. Please allow slight handbook size deviation in the data.