The Master Lock No. 1UP Universal Pin Laminated Steel Padlock features a 1-3/4in (44mm) wide laminated steel body for superior strength and a 15/16in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. A great choice for keyed alike applications, the padlock can be pinned to customer’s key in minutes. Dual ball bearings locking for maximum pry resistance and the 4-pin tumbler cylinder helps prevent picking. Uses No. 376 Universal Pin Keying Tool.

• Requires Master Lock One Key System (Ace No. 5171509) to set pins

• Universal pin for keying convenience

• Locks pinned to customer’s key in minutes

• Laminated steel bodies for superior strength

• Hardened steel shackles for No.1 and No. 3 padlocks

• Hardened boron alloy shackle for No. 5

• Dual ball bearing locking for maximum pry resistance

• Great choice for keyed alike applications

• Uses Universal Pin Keying Tool 376

• 1-3/4″ body, K1Box Key blank, Key blank not RSC stocked