After-Sales We offer a 5-year quality guarantee, If you have any questions, please contact us at any time, providing 24-hour online supportUniversal L-Shaped Steel BracketThe bracket is made of high-quality steel, which is tougher and more durable. The universal L-shaped guide rail mounting bracket is suitable for all sliding door types,L -Shaped Bracket can be intalled to face upwards or downwards to fit different assembling needsSturdy Our heavy duty steel brackets are 0.2" thick.Overall bracket dimension: 3.2 inches x 7.5 inches x 3.5 inches.Sturdy with high resistance to flexingensures strong support for your automatic sliding gate or manual sliding gateSimple Installation Package includes 1 x L-shape bracket, 2 x nylon rollers, bolts and nuts. The Guide Rollers for Sliding Gate can be bolted to a wall, post easily.Gate Roller Guide can be used in indoor or outdoor barn doors in your home, garage, shed, storage space, etc. Please measure before ordering6in Heavy Nylon RollersEach set contains two hard nylon rollers. The nylon roller can be adjusted horizontally according to the different width of your door to fix the position. Duty Nylon Rollers size 2.0 inches ) x 6.0 inches . Fits doors of 2-3" width,Nylon rollers can minimize friction and slide smoothly and quietly for the effortless operation of your sliding gate.