The Flex Arm Leg Pad Optional The Flex Arm is the ultimate power rack attachment for versatility and performance. Designed to connect to 3x3 or 75mmx75mm power racks with 1-inch or 5/8-inch holes, this adjustable arm allows you to expand your workout potential. Perform exercises like lat pulls for upper and lower back, single-arm curls, chest flys, hip thrusts, and so much more with ease. Key features include a built-in 15.250x10.25 adjustable pad for enhanced support and an integrated slot for our add-on leg support, perfect for cable lat pulls and overhead movements requiring stabilization. The Flex Arm’s extended reach is engineered to enhance body mobility, supporting a wider range of exercises while maintaining comfort and control. Crafted for ease of use, the Flex Arm is lightweight and simple to install, with multi-adjustment holes to tailor your setup like never before. Whether you’re looking to target specific muscle groups or add variety to your workout, the Flex Arm is built to perform.