Overview The rope can be adjusted to the length you want according to your height. It can burn calories and fat while exercising your muscles during jumping. A lightweight, durable, and comfortable handle make it easy to grasp and carry. A dual ball bearing system and slight cable can pass through the air quickly, thus increasing the speed. Specification Handle material: ABS Handle size: about 30mm*175mm Handle attachment material: circuit board, button battery, steel bearing Handle color: gray red, gray-blue, gray-purple, gray-green, gray ora