Multi-Function, Easy to Assemble tools, Heavy Duty Square Steel Frame Construction, Made from High Quality Steel, Designed to Support Maximum User Weight of 330 lbs., H-Shape Base for Max Stability and Safety, Provides Ability to Strengthen Upper Body, Adjustable to Provide Confirmable Workout and Different Muscle Targets, The Backrest, Armrest and Pull Up Bar are all Adjustable, (2) Leg Tube, (2) Main Frame, (2) Auxiliary Pipe, (1) Foot Connecting Tube, (1) Main Pipe Connection, (1) Horizontal Bar, (1) Backrest Tube, (1) Elbow Pad (Square Shape), (1) Largest Adjustment Tube, (1) Sit-up Board Support Tube, (1) Leg Rest Tube, (2) Elbow Pad (Rectangular Shape), (1) Sit-up Board, (4) Semi-circular Square Neck Screw, M8x40, (8) Hexagon Socket Head Cap Screws, M8x70, (2) Hexagon Socket Head Cap Screws, M8x80, (4) Hexagon Socket Head Cap Screws, M8x40, (2) Hexagon Socket Head Cap Screws, M8x15, (3) Hexagon Socket Head Cap Screws, M8x50, (4) Plastic Handle Nut M8, (21) M8 Nuts, (4) Plastic Handle Screw, M8*45, (2) Reinforced Pad, (6) Round Gaskets, (4) Curved Gaskets, (4) Curved Pad, (3) Plug, (1) External Hexagon Wrench, (1) Hex Wrench, Construction Material: Steel, Weight Capacity: 330 lbs., Back Size: 86.7", 29.1", 90.6" -inches, Steel Tube Thickness: 0.047" - inches(1.2mm), Packing Size: 59", 35.4", 5.7" -inches, Pull-Up Bar: Adjustable from 59.1" to 90.6"(150CM-230CM), Product Dimensions (L x W x H): 86.6" x 29.1" x 90.6" -inches