Body Solid GKR9 Vertical Knee Raise and Dip Station for G9SVertical Knee Raise Attachment For G9S Specially contoured and oversized back pad, arm pads and handgrips add comfort to the abdominal, shoulder and triceps workouts. It's a combination Vertical Knee Raise and Dip Station. For use with the Body Solid G9S Home Gym only. Warranty: In Home Warranty: LIFETIME: Frame & Welds LIFETIME: Pulleys, Bushings, Bearings, Hardware, Plates, Guide Rods LIFETIME: Cables, Upholstery, Grips (Normal Wear)