Make sure this fits by entering your model number. Durable and Tangle-Free: The jump rope workout made of thickened braided steel wire with PVC coated, which features long using life and not easily breaking to ensures effortless and smooth. You can use this skipping rope inside and outside. Fast and Smooth: The jump ropes has anti-dust ballbearing system to keep more durable and stable, you could easily swing the skip ropes by 360°rotation.