Master Lock manufacture five padlocks which are capable of benig operated by other cylinder manufactures key-in-knob insert type cylinders, and are therefore supplied without cylinder.

The padlocks featured above are - from left to right:

*M6721WO

*M6727WO

*M6852WO

*M6627WO

*M6621WO

The open shackle padlocks are available with longer shackles if required.