4 Pcs Sliding Gate Wheels 50mm, Steel Wheels with U Groove, U Groove Wheel for Reverse Track, Industrial Machine, Rolling Door, Load Capacity 300kg per Wheel

MATERIAL: This u groove wheel is made of high quality galvanized steel, strong, waterproof and anti-corrosionSIZE: The diameter of the wheel is 50mm, the inner width of the outer width is 27mm. Suitable for 19mm round tube orbitsLOAD CAPACITY: With 3mm thick bracket, each U-slot gate wheel can hold 300kg load, easy to carry for heavy gates, gliding smoothly and stablyRoller Bearings: Double ball bearings make sliding stable and smooth, easy to push the gatePERFECT FOR: Front door, factory door, sliding fence, dog door, reverse track, industrial machine, rolling door, container shelf