This gym pulley set is suitable for home gym LAT pulley system,lifting blocks,hoists,ladder lift,gym Equipment, DIY Home Projects, clothesline, shop lifts 90 mm 3.54 inch diameter; Maximum working load: 150 kg / 330 lbs. For cord and wire with a diameter up to 7 mm / 0.28 in The pulley wheel is builded with stainless bearing and Aluminum body. Give you quiet and smooth exercise experience Package include 1*fitness pulley, 1*hanging strap, 1*D hook. This is a good set to meet you exercise demand Use: Simple and practical roller, using gravity and skating for lifting work, designed for use with rope or cord in indoor and outdoor applications to hang weight things or lighten load LFJ Cable Pulley with Swing Strap Carabiner Gym Pulley Wheel Set for LAT Pulley System DIY Pull Down Attachment,Ladder Lift,Home Gym Equipment (1)