What does Starlock mean and what blades fit on an my machine OSC 18 tool?

Starlock is the name given to the mounting system for blades used on Festool OSC Multitools .
Starlock, Starlock Plus and Starlock Max blades are, depending on application and motor size, designed for the
Festool OSC Multitool and all of these blades fit on the tool.

Benefits of the Starlock mounting system are:
  • Better energy transfer
  • Faster, more efficient way to fit and cjhange blades