IRONMAN Triathlon X-Class Olympic Preacher Curl & Leg Developer Attachment 180 lbs of real weight plate capacity. Storage post is 7 inches in length Preacher curl is 2 inches thick medium density vinyl covered foam The attachment has 6 height adjustments and a 2 height adjustable Preacher Curl Pad Removable Leg developer and preacher curl pad Ergonomically correct preacher curl handle bar with 2 adjustment. Limited Lifetime Warranty