Body Solid DR378 Dip Attachment (for GPR378 Power Rack)The dip exercise is one of the most popular exercises for developing strong shoulders and arms. The DR378 optional dip attachment lets you transform your GPR378 Body Solid power rack into an amazing dip station. Unlike the competition, the DR378 spans both safeties of the GPR378 providing unsurpassed stability. The large 1. 5 grips are more comfortable than the smaller handles typically used for dip attachments. The handles taper to ensure any size