Specifications:Material: Steel+foramsize:60cm ( total stretch length it is 100cm but the use length only can suit for 63-85cm)80cm ( total stretch length it is 130cm but the use length only can suit for 83-115cm)If it is over, it is not very safe, and the load is low.Instructions :up bar for doorway use will strengthen and tone your back, arms, shoulders and abs muscles for the perfect upperbody workout for men and womenSafe and Secure - Heavy-duty chrome steel doorway pull up bar and door mounts provide great support and safety.Note: Always install and use the supplied screw-in door bracketsVersatile Uses - Get fit and strong by using the door bar for many exercises including pull-ups, chin-ups, hanging leg raises, push ups, dips, situps and crunches. It's truly a multi function piece of at home workout equipmentComfortable Hand-Grips - Non-slip extra-long foam grips for extra comfort to minimize hand pain or fatigueUse in Different Locations - Multiple screw-in door mount kits give flexibility to move to different places or heights. It's perfect for your home, garage, gym or the office