This laminated padlock with steel pin tumbler is from Master Lock. It has a 1-inch shackle length. The padlocks are keyed alike, meaning you can order multiple locks to open with the same key or order to match other locks with the W1 cylinder. This is a commercial grade padlock which features superior protection from drilling and prying. The padlock has a 2-inch wide laminated steel body and a 3/8-inch diameter hardened boron alloy shackle. It is non-rekeyable, 4-pin W1 cylinder helps prevent picking. Master Lock part number 5KA.
EC Part Number: #12472
Manufacturer Number: 5KA
Manufacturer: Master Lock