Ironcompany.com Body-Solid DR378 Dip Attachment for GPR378 Power Rack For use with Body-Solid GPR378 Pro Power Rack ONLY (sold separately) Heavy Gauge steel for extreme workouts. Large 1.5" diameter grips for extra comfort Tapered handles ensure proper fit for any size user Adjustable to several starting positions Spans and attaches to both adjustable safety catch bars on Power Rack for unsurpassed stability