Usage Tips:CUPBOARD SLIDING DOOR ROLLER KIT: package includes 2 sliding door wheels and 2 fixing parts. SLIDING DOOR ROLLER MATERIAL: The sliding wardrobe door wheels are made of made of environmentally friendly iron alloy, strong and durable, tough and not easy to fade. LOADING CAPACITY: 20KG. Make your life more convenient, no longer need a repairman and no need to change a wardrobe QUIET OPERATION: Pulley wheel design provides better adjustment and smoother sliding, stable and safe to use. With the damping pad, they would operate quietly and solidly, protecting you from loud noise and potential injury from the sudden slamming of the door. APPLICATION: Fits most sliding doors for cupboard, cabinet, windows, closet, cupboard, showcases and shoe cabinets, etc. Set of 2 pieces SLIDING CUPBOARD DOOR ROLLER, SLIDING DOOR GUIDES with shock absorber buffer, load capacity 20 kg< /p > The package includes 2 sliding door wheels and 2 fixing parts. The sliding door wheels of the cabinet are made of environmental iron alloy, strong and durable, resistant and difficult to fade. LOADING CAPACITY: 20KG. Make your life more convenient, no longer need a repairman and no need to change a wardrobe QUIET OPERATION: Pulley wheel design provides better adjustment and smoother sliding, stable and safe to use. With the damping pad, they would run quietly and solidly, protecting you from loud noise and potential injury from the sudden slamming of the door. SLIDING DOOR ROLLER fits most sliding doors of closet, cabinet, windows, closet, cabinet, showcases and shoe cabinets, etc.