GARENDE Power Bar Chest Expander Fitness Muscle Training Upper Body Exercise 30kg Black 58cm.The chest expander is made of quality spring steel material, which is high tensile strength, Eco friendly, sturdy, and sturdyNonslip handle provides you with a more comfortable grip, and keeps you prevent your hand from falling off the chest exerciser, giving you maximum resistance throughout the exerciseUpper body exercise is suitable for young, adults, beginners, exercisers, and trainersSpring power bar can train arms, chest, shoulders, back, and your whole upper bodyLightweight, simple structure is easy to be taken to the office, gym, camping or traveling, doing exercise anywhereSpring Power Bar Heavy Duty for Women Men. Chest Builder Workout Equipment Arm Strengthener. Men Upper Body Exercise Shoulder Forearm Bicep. Chest Resistance Bar Strength Hand Grip. Chest Expander Spring Exerciser Fitness Training.