Features: Premium Material: This jump rope is made of thickened steel wire material and has good elasticity, which makes it durable, strong and durable, avoiding easy cracking or breaking. Aluminum Handle: Our jump rope handles are coated with sturdy aluminum for added firm grip and also ensure that our jump ropes stay comfortably in your hand and won't slip or slide. Tangle-Free Wire: The built-in 360 ball bearings ensure fast and stable rotation without entanglement, which helps you build speed and comfort during movement and make movement easier. Adjustable Length: The knot at the end of the wire rope has a simple design and can be freely adjusted to achieve the length you want. The perfect fit makes it ideal for adults and teenagers. Wide Uses: Our jumping rope is a great fitness tool for indoor and outdoor exercise, and an effective way to burn calories, lose weight, improve muscle lines, stay in shape, and cross train. Specification: Material: Steel Wire+Aluminum Alloy+PVC Handle Length: 15cm Handle Diameter: 1.2cm Wire Thickness: 2.5mm Color: Silver/Black Weight: 130g Notes: Due to manual measurement, please allow a slight error in size. Due to the difference between different monitors, the picture may not reflect the current color of the item.