Adjustable Steel Rope Easily adjusts from 9.8 feet down to your desired length in minutes. Long 4.5mm thick premium steel cables with PVC protective sheath. The flexible steel cable with protective sheath does not bend or twist. Unique ball bearings Skipping rope is equipped with premium ball bearings. High-quality 360 rotary ball bearings ensure easy turning of the ball. That rope rotates incredibly fast - perfect for double unders. less resistance, high frequency and long durability of the skipping rope. Non-slip handle Ergonomically designed handles offer you a comfortable feeling. The foam handle has the advantage of high permeability, can effectively reduce sweating and soak up sweat. provide the necessary firm grip. Adjustment method Remove the end cap of the handle, slide the rope out of the handle, adjust to its own length, push it back in a knot and close the end cap. Widely used For everyone who wants to improve their physical condition. It is helpful for those who want to learn boxing, martial arts, and crossfit. There are also people who want a perfect weight loss plan at home.