DescriptionDo you want to exercise with the most effective single arm and double arm exercises for total upper body conditioning. The item can give you the results you're looking for. Whether you are a group exercise instructor, a personal trainer, or a beginner, this exercising spring arm apparatus will work for you.Features- Color: Black. - Material: Spring steel. - Size: 55 x 4 x 4cm. - for durable and long-lasting use. - For use at home, gym or in the office, you can use it anywhere, - Strengthen the muscles and bones of your hips, hands arms, shoullders and upper back. - For men and women, with this, you can do workout in so many ways.