The Complete Chin Up by Astone Fitness transforms any standard door way into a powerful upper-body workout tool. The Complete Chin Up installs in one second and can be removed just as quickly. The Astone Chin up Bar has multiple rubber grips for comfort and maximum durability, which won't break down like sweat-absorbing foam handles. The unique stylish design fits standard doors with no need for drilling, screwing or hammering. The industrial design is strong enough to hold just about anybody up to 300 pounds. Comes with a full color companion booklet with sample exercises you can perform at home.