Hole Saw Arbor, Quick Change, 9/16 to 1-3/16-In. National This electric shear attachment has

This electric shear attachment has the capability to make fast straight

ring shank for use with softer woods and with permanent heavy-duty construction where vibration can work nail loose

through the roof

Do not puncture or incinerate container

Carbide tipped for long life

Hole Saw Arbor, Quick Change, 9/16 to 1-3/16-In. National This electric shear attachment hasSnap back hole saw arbor has quick change feature. Drive off pins, not threads to prevent the threads from stripping, prevents hole saw from locking on arbor. No Adaptor Required. Arbor threads directly onto hole saw. No tools needed. Fits 9L 19L or 9 16" to 1 3 16". For 3 8" or larger hex shank.