Wide Usesliding closet door wheels fits most sliding closet doors, cabinets, windows, wardrobes, display cabinets, shoe cabinets, wardrobe doors, etc. < /p> Closet Sliding Door Roller KitLoading Capacity 20KG; package includes 2 sliding door wheels and 2 hardware. Easy to install Makes your life more convenient, no more need for a repairman and no need to change your wardrobe. The roller height adjustment will ensure your sliding door safer and smoother and make your installation easier. Durable material: The sliding door wheels of the cabinet are Made of high quality steel and nylon material, wear-resistant, sturdy, guides with shock-absorbing pad; stronger ball bearing center wheel with anti-skip safety clip. Silent Sliding Door Roulette: Pulley wheel design provides better fit and smoother sliding, stable and safe to use. With the damping pad, they would run quietly and solidly, sliding closet caster protecting you from loud noise and potential injury from the sudden slamming of the door. 8.4*8cm