LOXX Fasteners are the strongest, most versatile, self-locking, quick release fastener ever made. They close and lock automatically, will never accidentally open, will never rust, and will withstand shearing force greater than 225lbs! Easy to install in no time at all just punch a hole in the material (if not using ball stud) insert Loxx fasterner and screw on the washer. The washer with teeth grips material and holds extremely tight! Loxx is reliable in its use, it is manufactured sustainably and surprises time and again with with its innovative design. Fasterners are stocked in a nickel or chrome on brass finish.