Usage Tips:Wide Usesliding closet door wheels fits most sliding closet doors,wardrobe, windows, cupboards, display cabinets, shoe cabinets, wardrobe doors, etc. Kit of Closet Sliding Door Roller Loading Capacity 20KG; package includes 2 sliding door wheels and 2 fixing parts. Easy to installMakes your life more convenient, no need for a repairman and more need to change 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 steel and made of nylon, wear-resistant, sturdy, guides with shock-absorbing pad; stronger ball bearing center wheel with anti-skip safety clip. Silent Sliding Door Roller: The wheel design of pulley 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. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.