Heavy Duty U/V/H Groove Stainless Steel Long Sliding Door Roller Double Aluminium Wheels Product Advantage: 1.Self-cleaning design - Prevents dirt buildup in tracks2.Thermal break technology - Reduces heat transfer in insulated windows3.UV-stable components - Won't degrade in sunlight exposure Specification: Item Name Heavy Duty U/V/H Groove Stainless Steel Long Sliding Door Roller Double Aluminium Wheels Bearing Type Ball bearing Material stainless steel Thickness 1mm
