American Barbell Rig 10' Stand Alone3x3 11 gauge steel and 3 4" hardware makes this an incredibly solid Rig with modular functionality and a wide variety of customization options. Plastic protection on both sides of the J Hooks helps protect the bar and uprights from scratching and wear. Featuring two full squat stations and 6 pull up stations this Rig is a worthy addition to any training center and is built to withstand heavy use on a day to day basis. Construction: 3x3 11 gauge steel