Easily substitutes a lot different expensive exercise machines: Pull up bar free standing The power tower pull up station Dip stands and multi grip pull up bar. All you need for core workout in one device. Feature: Portable pullup bar has a practical and very compact design which allows you to fit it anywhere at home gym garage basement or even backyard. Pullup bar wall mount can support many kinds of sport exercise upper body and abs like pull-up dips sit-ups push-ups leg and knee raise and more. This multi gym machine for home is made of heavy duty steel. One piece solid construction ensures stability and durability. Wall Mounting Recommendations: The most reliable mounting on the concrete brick /solid cement wall /solid red brick wall /solid tile wall. Installation on a hollow brick wall / honeycomb brick wall /drywall /sandwich panel does the reliable operation of this device. If you are mounting on wooden studs on drywall.You need to add additional plywood or something to the places where the square pipes rest against to wall to support the weight and not damage the drywall. Mounted on 1/2 inch plywood which is fastened with lag bolts to the studs on the wall. Dimentions: Pullup bars from wall- 17 in 43 cm Wide grip- 386 in 98 cm Dip bars from wall- 295 in 75 cm Between dips- 205 in 52 cm