Easy to Install, Diamond-Like Base Disperses Pressure, Steel Pipe Reinforcement, Removable and Easy to Carry, Increase Thicker Non-Slip Rubber Pad, Holds up to 440 Pounds, Soft Anti-Skid PVC Material, Enlarge Anti-Skid Block, Large Contact Area and High Resistance, No Screws and Drilling Required, Adjustable Pull up Bar, Suitable for Standard Doorway, Protects Door Frames from Cracking, High-Quality Load-Bearing Steel, Safety with Deadlock Design Pull-Up Bars, Non-Slip, Non-Toxic, Non-Smell and Comfortable, Chin up Bar can be Adjusted in Width to Fit in Door Frame, Level-Meter can Help Install Chin-Up Bar in the Balance State, Non-Slip Soft Foam Handle Minimize Hand Fatigue and Pain, Doorway Pull Up and Chin Up Bar, Construction Material: (Metal Part) Iron Pipe, (Rubber Part) PVC, (Plastic Part) ABS ,(Foam) EVA, Item Weight: 6.24 lbs., Length: 37” - 56.2” -inches, Product Dimensions (L x W x H): 37''-56.3'' x 4.1'' x 6.9'' inches