Shopeleven Power Twister Body Strength Training Workout Arm Builder Multi-training Triceps Bar  (Black)

Sometimes referred to as a torque stick, pec stick, or chest spring bar, the Python Power Twister creates unique and effective resistance by keeping muscle under constant tension for isometric and isotonic strength and endurance workouts. Sometimes referred to as a torque stick, pec stick, or chest spring bar, the Python Power Twister creates unique and effective resistance by keeping muscle under constant tension for isometric and isotonic strength and endurance workouts.