No. 7 Laminated Steel Padlock, 3/16 in dia, 1/2 in W x 9/16 in H Shackle, Silver/Blue, Keyed DifferentNon-rekeyable cylinder, laminated steel body for superior strengthSteel shackles, single lockingProprietary rustproofing for longer lifeCommercial grade padlock features superior protection from drilling and pryingChoose between Keyed Different (KD), Master Keyed (MK), and