The Master Lock 4 Laminated Brass Padlock offers maximum strength and corrosion resistance with its 1-9/16in wide laminated brass body. Its 9/32in diameter shackle is made of hardened steel for extra resistance to cutting and sawing. The 4-pin cylinder prevents picking and dual locking ball bearings provide resistance against prying and hammering.

Master Lock 4 Laminated Brass Padlock

• Ideal for marine and other harsh environments
• 1-9/16in (40mm) Wide laminated brass body offers maximum corrosion resistance
• Hardened steel shackle for extra cut resistance
• Vertical Shackle Clearance: 3/4"
• Horizontal Shackle Clearance: 5/8"
• Shackle Diameter: 9/32"
• solid brass, 4-pin cylinder
• two keys included per padlock
• available keyed differently 4, keyed alike 4KA, and master keyed 4MK

(Also known as 4, 4KA, Master 4, Master Lock 4, M4, M4KA)