2-Way Adjustable Drawbar For Door Frame-No Screws Or Drilling Required Features: Comfortable Grip Mat-Hold Your Palm Firmly While Training Your Upper Body And Minimize Irritation-Unisex Weight Up To 130 Kg Manufacturered by BENGKUI. The Rubber Covers On The Left And Right Sides Prevent Unnecessary Marks On The Door Frame The Sturdy Steel Structure The Telescopic Arm System Is Easy To Operate / Rod Diameter There Are 4 Specifications s: 74-95cm m: 94-115cm l: 112-137cm Xl: 135-180cm. Unlike a door stop your movement is not restricted by the door frame but provides you with a permanent and stable structure