ZING RecycLock Padlock is keyed different and includes one key that is unique and can only be used with that padlock. Padlock features a solid aluminum body with fully insulated protective covering for increased safety and corrosion resistance. Precision 6-pin cylinder has key-retaining and auto-locking functions. Lock is made from high quality 70% recycled materials that is UL Validated for recycled content which substantiates material compliance with various green codes, standards, and procurement policies including the LEED Green Building Rating System, IgCC, GSA Advantage, ASHRAE 189.1 and others. Padlock contains no PVC and uses food industry approved lubricants. Lock body with trilingual label and measures 3″ Length x 1-1/2″ Wide. Steel shackle measures 1-1/2″ Length x 1/4″ dia.