iHuniu Adjustable Power Twister Bar Weight Training Arm Strengthening Tension Size 0-160 kg with LCD Monitor Calorie Counter

Features: Tension Size is be Adjustable, the range is: 0 - 160 kg / 0 - 352 lb, It applies to any stage of arm strength training enthusiasts. High-quality materials, Spring made by Carbon Steels, Passed 100000 endurance tests. Perfect for Building Upper Body Strength. for Weight Training, Arm Strengthener. Electronic measurement design of training intensity, Record and display training time, number of stretches, training frequency and work time, and convert your calorie consumption. Tension meter shows current spring strength realtime. Safety protection, non-slip handles and safety ropes are used to protect against accidental falling off. Specifications: Materials: Quality Carbon Steel Springs and Non-Slip Plastic Handle. Weight: 0 - 160 kg / 0 - 352 lb Adjustable. Attention: A. Please Make Sure You Have Enough Power to bend over 50 kg Level; B. Please Make Sure Your Wrist Wear The Safety Ropes Before Training. Prevent Accidental Injuries.