C-K-Hole-Saw-Arbor-With-11mm-Shaft-For-32-152mm-Hole-Saws-CK-Tools-424039-p-Quick-release-hole-saw-arbour-for-use-with-C-K-holesaws-from-32mm-114mm-Fixing-pins-are-spring-loaded-for-easy-withdrawal-making-holesaw-changes-fast-&-efficient-11mm-hexagonal-drive-shaft-Supplied-with-replaceable-1-4-HSS-pilot-drill-p-CK-Tools-424039-Hole-Saw-Arbor-With-11mm-Shaft-For-32-152mm-Hole-Saws