The Master Lock Retractable Ratchet Tie-Down features an automatic system which retracts the webbing making it quick and easy to use, extract the webbing and pass over the cargo. Attach the S-hooks to stable anchor points. To retract the webbing simply push the red button. There is no excess strap. They have a special grip on the bumper and the coated S-hooks are designed to fasten without scratches on painted surfaces. Ergonomic ratchet handles make them comfortable to use. TUV certified.