The masterlock retractable ratchet tie down features an automatic system which retracts the webbing making it quick and easy to use extract the webbing and passover 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 makes them more comfortable to use tuv certified length 3m