Wall Mounted Knee Bend Leg Raise Dip Bar Abdominal / Dipping Station VKR Ab Crossfit Great space saver to do leg raise, knee bends and dips. Really work those abs and upper body. 2" x 2" HD steel construction. Dip handles a comfortable 23" from wall. Install to suit your particular width requirement. Mount directly onto studs or use cross supports to vary width. Mounting hardware included ( you must drill pilot holes using 1/4" drill bit ) Does not ship to Hawaii, Alaska, P.O. Box, or APO/FPO. Unit weighs 21 Lbs.. Weight listed below is only for realistic shipping calculations.