XMark Ab, Hyperextension and Preacher Curl Weight Bench XM-7631 All-in-one ab, preacher, and hyperextension adjustable bench 11 gauge 2" x 3" steel mainframe construction with scratch resistant powder coat finish Ultra thick 3" Duracraft cushions offer firm support and double stitched, tear-resistant Duraguard vinyl Oversized 4.33" vinyl-covered rollers for added comfort