Brand New And High Quality Type:Spring Arm Strength Device Material:Steel Spring+ ABS Rubber Color:As shown Size:As shown Describe: 1.made of High grade metal wire and spring ABS cover on the joint avoiding hurts from the spring. 2.44lbs (20KG) or 66lbs (30KG) or 88lbs (40KG) or 110Ibs (50KG) or 132lbs (60KG) ,and the maximum weight is (132 kg). The ideal size, can be used anytime and anywhere, and is an ideal home training equipment.ABS handles for excellent grip, non-slip design. 3.Suitable for working on your wrists, forearms, arms, chest, shoulders and muscle toning, this requires different exercise methods 4.It is recommended for novices or those who exercise less arm strength, choose the starting level 44lbs, and 88 lbs or 110Ibs is suitable for someone who exercises regularly or very fit. Please select according to your own Package Included: 1 x Spring Arm Strength Device Note: 1. The real color of the item maybe slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Thank for your understanding. 3. 1cm=0.39''.