Quick change Faster and easier to engage and disengage hole saw
Prevents threads from stripping Drives off pins, not threads
No tools required Prevents hole saw from locking on arbor
No adapter required Arbor threads directly into all hole saws
Easier plug removal
CAUTION: Any cutting tool may break or shatter under improper use. Government regulations require use of safety glasses and other appropriate safety equipment at all times in the vicinity of use.