Wide Use sliding closet door wheels fits most sliding closet doors, cabinets, windows, wardrobes, display cabinets, shoe cabinets, wardrobe doors, etc. Closet Sliding Door Roller Kit Loading Capacity 30KG; package includes 2 sliding door wheels and 2 fasteners. Easy to install Makes your life more convenient, no more need for a repairman and no need to change your wardrobe. Roller height adjustment will ensure your sliding door safer and smoother and make your installation easier. Durable Material: The sliding wardrobe door wheels are made of high quality steel and nylon material, wear-resistant, sturdy, guides with shock-absorbing pad; stronger ball bearing center wheel with safety clip. anti-jump safety. Silent Sliding Door Caster: Pulley wheel design provides better fit and smoother sliding, stable and safe to use. With the damping pad, they would work quietly and solidly, castersliding closet protecting you from loud noise and potential injury from the sudden slamming of the door.