Motherwell 2-Up Detachable Luggage Rack - Locking - Chrome MWL-428 Made of 5/8in. heavy-gauge tubing; available in chrome or black Patent pending push-button detachable technology in a locking or non-locking version Both styles quickly detach without the thumb curling, finger twisting and knuckle chomping Locking version features patent pending locking, push-button, detachable technology; push of a button easily locks luggage rack, and turn of a key quickly unlocks and removes luggage rack Tie-down hooks also available on locking version