TQR Jump Rope &ndash; for Cardio Fitness, Boxing, Crossfit, Endurance Training &ndash; Foam Comfort Handles w/ Ball Bearings IT'S A TOP RATED SPEED ROPE - Effective in building endurance, stamina and reflexes. Jump rope outlines a number of highly effective workout techniques that will supercharge your training. Made with Premium Quality 3M PVC, the rope is built to withstand HEAVY DUTY use. Long enough for you customize the rope according to your height. Practically indestructible and the quality of construction is undeniable. ADJUSTABLE LENGTH - One size fits all, adjust the length to the correct setting in less than 5 minutes. CUSTOM FOAM GRIPS - Molded for comfortable, the handles are designed to minimize hand fatigue. The skip rope come with SUPER-SPEED ball-bearings that ensure smooth, effortless and even rotation. A favorite amongst Boxing, MMA and Cross Fit enthusiasts. Best for cross overs, jog in place, side jumps and double-unders.