The Body Iron Lat Pulldown Seat Attachment is an optional attachment for any squat rack or power cage with 60mm X 60mm tube size and (1 inch hole). Sit down on a comfortable seat and get ready for intense pulldowns with the Body Iron Lat Pulldown Seat attachment. This attachment mechanism, similar to a J-Hook, features a lock pin for added safety and stability, preventing any side-to-side movement. With multiple height settings and three knee pad adjustments, you can find the perfect, comfortable position regardless of your height.