1.Heavy-Duty Design: Features a 9mm thickened weighted rope with precision steel bearings and textured metal handles, offering a solid and professional feel for intensive workouts. 2.Adjustable Length: The rope length can be freely adjusted to fit users of different heights, making it suitable for both beginners and advanced fitness enthusiasts. 3.Durables & Eco-Friendly: Made from wear-resistant, odor-free materials that ensure smooth rotation, long service life, and comfortable use. 4.High-Calorie Burn: Burns up to 3.5x more calories than regular ropes10 minutes of jumping equals about 30 minutes of running, maximizing fat burn efficiency. 5.Full-Body Training: Provides an effective, time-saving workout that engages shoulders, arms, legs, and core, helping build strength, endurance, and coordination. Tests have shown that skipping rope for 10 minutes at a rate of 140 times per minute is approximately equivalent to jogging for 30 minutes Product Name: 9mm Weighted Skipping Rope Color: Black/Red/Blue Material: Aluminum alloy Specification: 3 meters Weight: ≈650g NOTE: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. 2.Manual measurement 1-3cm(0.39-1.18in) error is allowable