Hoist HD-3701 Assisted Chin / DipThe HOIST Chin Dip Assists compact, kneeling design saves space for a smaller footprint in any fitness facility. Four pull up chin up options including HOISTs patented Flip N Grip handles and rock climbing grips give users the flexibility to choose. A fold out knee pad for assisted exercises, can be placed in a stowed position for unassisted exercises easily. And dual position dip handles, both wide and narrow, allow for user comfort and safety.