Kwikset #4 master pin used for master keying Kwikset pin tumbler locks. Master pins sit between the bottom pin and the driver pin to create additional shear lines, allowing more than one key to operate the same lock. Bag of 100 for master key system service.

• Pin size: #4
• Length: .092"
• Quantity: 100 pins per bag
• Material: Solid brass
• Type: Master pin (spacer)
• Factory original Kwikset replacement part
• Model: 83113-001

Tip: Master pins create split shear lines that allow multiple keys (such as a master plus individual tenant keys) to operate the same lock. Used in apartments, rentals, and commercial buildings.