VEVOR Sliding Gate Kit, 6” Rolling Gate Hardware Kit with L-Bracket, Universal Adjustable Sliding Gate Rollers, Heavy Duty Black Sliding Gate Guide Roller for Sliding Gates and Rolling Door Durable Steel Nylon Material Strong Compatibility Reinforced Bracket Easy Installation Rust-Resistant Treatment Materials: Wheel - Nylon; Bracket - Q235B Steel,Item Model Number: 1704,Bracket Thickness: 6 mm / 0.24 inch,Wheel Diameter: 40 mm / 1.57 inch,Bracket Shape: L-shape,Product Dimensions: 200x180x45 mm / 7.87x7.09x1.77 inch,Net Weight: 1.35 kg / 2.98 lbs,Adjustable Wheel Spacing: 5 - 80 mm / 0.20 - 3.15 inch,Bracket Dimensions (LxWxH): 180x105x45 mm / 7.09x4.13x1.77 inch