The Hammer Strength Select Abdominal Crunch is a fundamental part of the strength training progression. AbCam System replicates natural ab crunch movement, counter-balanced work arm provides low start resistance, and two-foot supports ensure no adjustments are needed to accommodate exercisers. The 22 pieces in the Hammer Strength Select line provide an inviting introduction to Hammer Strength equipment. PRODUCT FEATURES CABLES 7x19 strand construction, lubricated, nylon-coated cable meets U.S. military specifications INSTRUCTIONAL PLACARDS Easy-to-follow instructions illustrate proper use and muscles trained Axis of rotation marked with red indicator to help cue correct alignment BELTS AND PULLEYS 4-1/2" (11 cm) and 6" (15 cm) diameter fiberglass-impregnated nylon pulleys feature sealed bearings CUSHIONING Pads are molded with radius on edge for improved comfort; All edges are stitched to eliminate any folds in the material that would limit durability SHROUDS Standard rear shroud on SE