SLIDING DOOR CUPBOARD ROLLER KIT: Package includes 2 sliding door wheels and 2 hardware. SLIDING DOOR ROLLER MATERIAL: The cabinet sliding door wheels are made of environmental iron alloy, strong and durable, strong 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 SILENT OPERATION: Pulley wheel design provides better fit and smoother sliding, stable and safe to use. With the damping pad, they would work quietly and solidly, protecting you from loud noise and potential injury from the sudden slamming of the door. APPLICATION: Fits most sliding doors of closet, cabinet, windows , closet, cabinet, display cabinets and shoe cabinets etc. One set: two up and two down Color as shown Quantity delivered: 1 game