/ Saws / PTA & Hand Saw Blades / Hole Saw Arbors / Ejector Spring / A7 There is a newer version of this product available KA7-N Core ejector Spring for fitting over pilot drill. * Not actual product image 55151 A7 Ejector Spring 55151 Other similar products Spring for fitting over pilot drill. Spring pushes core out of hole saw after completion of the cut. Features Specifications Downloads Contact Starrett Features Spring fits over pilot drill and pushes core out of saw after cut Specifications Fits Drills: All Downloads Starrett Hole Saws (Bulletin 671) Starrett Hole Saw Brochure includes all hole saws, drive arbors, pilot drills, quick change systems sets and accessories