• 7/16" power groove shank for use with Sutton Tools extension shanks
• Fits 14–152mm (QFX2) holesaws
• Solid connection fully engages into the holesaw quickly with one sliding action of the collar
• Heavy duty arbor with spring clutch drive pins to assist in quick location and fitment for a wide range of Sutton Tools holesaw and extensions.
• Suits Chuck 13mm