Chest Expander Springs Men Power Twister Arm Bar Shoulder Heavy Duty Arms Exercises Upper Training Chest Muscle Forearm Steel Arm Adjustable Pull Strength

Product material: ABS plastic stainless steel tubeCustom spring steel springs are durableBold and thickened main frame, strong and not bent for a longer service lifeMatte foam protective handle, comfortable handle soft and wearable, comfortable and effective cushioning pressureMain function: exercise biceps triceps pectoral muscle abdominal muscle deltoid latissimus dorsiSpecifications: Removable and adjustable 4 groups of weight: 30KG, 40KG, 50KG, 60KGSpring inner buckle: ring double spring inner buckle ring, high fit, stable and not looseProduct list: one main frame, 2 red large springs, 2 blue large springs, 2 black large springs, 2 black small springs, special wrenchProduct size: length 750MM width 230MMApplicable people: fitness men and womenService tenet: efficient, responsible, seriousService objective: Only serve customersIf you have any questions after receiving our products, please contact us in time, we will reply and solve the problem within 24 hours.Thank you for choosing and purchasing our products. Your satisfaction is very important to us. Happy shopping.

• Custom spring steel springs are durable
• Bold and thickened main frame, strong and not bent for a longer service life
• Matte foam protective handle, comfortable handle soft and wearable, comfortable and effective cushioning pressure
• Main function: exercise biceps triceps pectoral muscle abdominal muscle deltoid latissimus dorsi
• Our business philosophy: quality and customers always be in the first place, continuous innovation, and constantly bring high quality new products to customers.