This is a 30kg (66lb) spring power twister bar designed for upper body strength training.It features black non-slip handles and includes wrist safety straps for secure use during exercises.The bar is used to target muscles in the chest, shoulders, biceps, and forearms.Spring Power Twister Bar - Chest Expander For Upper Body Strength ... Spring Power Twister Bar - Chest Expander For Upper Body Strength Training, Arms, Chest, Shoulders, Back. 8rew. Paper deals as low as $29.99FREE next business-d... castorcareghana.com