CLOSET SLIDING DOOR WHEEL KIT: Package includes 2 sliding door wheels and 2 fixing parts. SLIDING DOOR ROLLERS MATERIAL: The wardrobe sliding door wheels are made of environmentally friendly iron alloy, strong and durable, durable and not easy to fade. LOADING CAPACITY: 20KG. Make your life more convenient, no longer need a repairman and no need to change a new wardrobe. QUIET OPERATION: Pulley wheel design provides better adjustment and smoother sliding, stable and safe to use. With the damping buffer, they would work quietly and securely, protecting you from loud noise and potential injury by the sudden slamming of the door. APPLICATION: Fits most sliding doors of closet, wardrobe, windows, cupboard, wardrobe, display cabinets and shoe cabinets, etc.