Lenox | Carbon Steel 12″ 300mm 1/2″ Chuck Holesaw Arbor Mandrel Extension 1L 3L Key FeaturesSnap back featureShank type: HexagonDrill Chuck size required: 13mm or bigger.
Quick Change – faster and easier to engage and disengage hole saw. Drives off pins, therefore preventing threads from stripping. No tools needed and it prevents the hole saw from locking on the arbor. No adaptor required and easy plug removal. Arbor threads directly into all hole saws
Made in the USA