Manufactured in the United States of America! Can be attached to a rack that either has 3"x3" uprights that have either: 1" holes OR 5/8" holes Punching bag workouts are great for your arms, legs, core and are good for your heart and lungs, too! Accessories Included for Arm: One (1) Punching Bag Arm Two Adjustable (2) Clips/Carabiners Hardware included Compatibility Statement: Our attachments are engineered specifically for Vesta equipment. While they may fit some third-party racks, we cannot guarantee compatibility due to manufacturing and machining differences between brands. For the best experience, we recommend pairing Vesta attachments with Vesta equipment. Accessories Included for Punching Bag: One (1) Punching Bag Two (2) Circular Hooks