ONLY COMPATIBLE with Body Solid GPR400 Power Rack ADD WORKOUT VERSATILITY TO YOUR GPR400: The GPRTBR T-Bar Row/Landmine Attachment is designed to attach easily to the bottom of a GPR400 Power Rack, the GPRTBR helps users build strength and power while performing exercises like rows, deadlifts, presses, lunge presses, rotational exercises and more. Measures 10.00" L x 4.00" W x 2.00" H, and weighs 3.00 LBS.