Brand: ROCKBROS Material: High quality iron+plastic Height adjustment: 28.5cm-55cm/11.22''-21.65'' Package Weight: About 2.45kg/5.4 pounds ABS soft material, anti-skid surface, easy to fix your bike and protect frame paint. Package Contents: 1 x Bike Repair Stand 1 x Allen Wrench 4 x Screws Notice:Does not include bicycles Please mounted on a stable work bench or solid wall, etc. When using this product, please make sure the center of gravity is balanced. The clamping range is max 6cm/2.36''. Please do not use this product with oversized bicycles. Hold up to 20kg/44lbs mounted on work bench, less than 20kg/44lbs mounted on wall. Please avoid exceeding this weight.