Get the V-cut look with broad shoulders and a narrow waist while perfecting your pull-up form. Perfect Pull-up Assist helps you get stronger and maximizes your workout by providing assistance when you do a pull-up. Traditional pull-ups are hard, but the Pull-up Assist helps offset your weight so you can focus on technique and good form. Increases the number of pull-up sets and helps you work up to performing more unassisted pull-ups and chin-ups. Heavy-duty nylon strap with steel cam buckle to adjust length. Adjustable assistance with 3 band system provides up to approximately 50 lb. of assistance.