Lenox 1779669 5L Snap-Back Arbor

Threads directly into all hole saws, no tools needed. Faster and easier to engage or disengage hole saw, no Adapter required. Prevents threads from stripping drives off pins, not threads. Prevents threads from stripping drives off pins, not threads. No tools needed-Prevents hole saw from locking on arbor. No Adapter required-arbor threads directly into all hole saws. Easier plug removal. Quick change- faster and easier to engage/disengage hole saw.