Mamut Strong Aluminum Speed Rope - Perfect for TRIPLE UNDERS. Crossfit, MMA, Boxing, WOD & Exercise. Premium Quality With Adjustable Technology Made in Brazil. Includes Carry Case & Spare Screw Kit EASILY ADJUSTABLE FOR EVERYONE - 3m (9.8ft) Cable that's Easily and Quickly Adjustable to your Desired Length within Minutes. Appropriate for Adults - Men - Women - Children - Kids - WIRE CUTTERS may be needed to cut the rope. WORKOUT - Burn Up To 1,000 Calories Per Hour - Jump roping has been shown to be a great alternative to running and other high impact exercises that wear out your knee joints over the long term. PORTABILITY- Compact - Lightweight and Carry Case Included. This is a High Quality Jumping Rope of Professional Adult for MMA Training - Mastering Double Under - Bodybuilding Champion - Boxing - Cardio Exercise - Cross Fit - Personal Training Equipment - Perfect for Home and Outdoors Workouts. PREMIUM COMPONENTS - Steel Cable With a High Quality PVC Coating For Smoother Rotation, Aluminum Finishes And a Low Friction Coefficient, resulting in the ultimate speed roping experience. 100% MONEY BACK GUARANTEE - We back our products up with a LIFETIME hassle-free money back guarantee. If you are not completely satisfied, simply contact MAMUT STRONG and we will give you a FULL REFUND. Our #1 priority is to make sure our customers are completely happy.