Features:* Made of superb material, 1. Thick wear-resistant door wheel dresser sliding door wheel2. High-quality materials, cold-rolled steel plate + stepped forward plastic spraying treatment, to make sure that the product is load-resistant, pressure-resistant, and crack-resistant3. Silent, nylon pulley, appreciated material, self-contained bearing, mushy and silent, wet and silent4. Built-in cleansing function, robotically cleans after every single 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, smooth , no blockageSpecification:* Material: nylon+iron* Colour: Black* Product size: 7.5*3.8cm (approx.)* Quantity: 1pcsPackage content:* List 1: 1 x cloth cabinet pulleyNote:1. Due to numerous points such as visual display unit brightness and light-weight brightness, the actual coloration of the product may be barely various from the image displayed on the website.2. Please enable slight manual size deviation in the data.