Check the listing for details. 8 Set 19mm Nylon Drawer Rollers with Spring Washers and Nut White. Condition: New. Listed at 12.94 USD. Bearing pulley wheel is suitable for most furniture drawers, such as cabinet sliding doors, file cabinets, supermarket cashier cabinets, pet boxes, dressing tables, etc.Specification Color: WhiteMaterial: Nylon, Bearing SteelWheel Size: 19x6mm / 0.75x0.24inch(DxThikness)Step Height: 0.8mm / 0.03inchScrew Size: 8mmx5.7mm /0.3x0.22inch(LxD)Packing contents: 8 x Bearing Nylon Pulleys (With 8 Spring Washer and 8 Nuts)AdvantageThe screw part is crafted with stainless steel. It effectively prevents rust, exhibits excellent wear resistance, and has a prolonged lifespan.The bearing nylon pulley is characterized by its robustness, excellent stability, low friction coefficient, and effective noise reduction.Positioning roller file cabinet pulley can provide smooth sliding and positioning functions, making the equipment run more smoothly.