J-Hooks carry 600 lbs Constructed from extra-thick steel to protect your workout. Height and width adjustable Multi-level adjustment of height and width to meet the space requirements of various body types and movements. J-Hooks Adjustable Multi-stage adjustable J-Hooks to accommodate weight benches of various heights and shapes. Professionals From manufacturing to sales to after-sales, there is professional personnel involved in the whole process. Service For quality after-sales problems, I will serve you permanently and give you a satisfactory solution. You will not give up our products, so why hesitate? Parts are neat and orderly We have detailed and clear instruction manuals, all parts are neatly arranged with serial numbers, quick installation, saving your precious time.