Master Lock 5KALF-473 Keyed Alike Laminated Padlock, 2"The No. 5 keyed alike laminated steel padlock from Master Lock is a commercial grade padlock featuring a 2" (51 mm) wide body and 1 1 2" (38 mm) tall, 3 8" (10 mm) diameter hardened boron alloy shackle. Non rekeyable, 4 pin W1 cylinder helps prevent picking. Keyed alike to key #A473 Commercial grade padlock features superior protection from drilling and prying 2" (51 mm) wide laminated steel body for superior strength 1 1 2" (38 mm) tall, 3 8" (10 mm)