Red Gecko Fitness Jump Rope for CrossFit and More Durable, plastic-coated speed cable is fully-adjustable - Change the length to fit your height! Designed for home workouts: Cross fit, speed training for boxing, MMA, cardio & agility training High-quality steel wire prevents tangles, kinking or twisting even during the most rigorous workout Screw locks prevent handles from slipping off - Available in Light Green, Light Blue or Black Provides optimal cardio exercise workout - Builds and tones muscle - Sold in single or 2-pack