High Speed Weighted Skipping Rope, Self-Locking, Adjustable Length, Speed Ball Bearings for Women, Men and Children

One-Key Self-Locking Adjustment System: thumb operated self-locking mechanism allows for quick adjustment of rope length without tools, suitable for adults and teens of different sizes. Smooth Dual Bearing Rotation: handles incorporate two precision steel bearings allowing smooth 360 degree rotation, reducing rope tangles and jerks for advanced fig execution. Durable Rubber Coated Steel Core Rope: core is composed of 49 tightly wound steel wires for sturdy support and long service life; outer layer is coated with abrasion-resistant PVC coating, ensuring high durability against breaking and deformation. Comfortable Non-Slip Handles: Aluminum alloy handles feature multi-layer non-slip coating and silicone grips, providing sweat absorption, slip resistance and impact protection. High Efficiency Design Reduce Drag: optimized for speed training with 2.5mm diameter cord effectively reduces air resistance, minimizing sway drag for more efficient and effortless jumping.