Starrett A3 Ulti-Mate Holesaw adaptors - Ulti-mate offers a super fast, tool free change between different diameters of hole saw, without adjustment of the drill chuck. Removal of cores from the holesaw after a cut is also much improved by the rapid release of the holesaw from the arbor.
Comprises: Ulti-mate hole saw adaptors, suitable for hole saws from 14mm - 30mm / 9/16in - 1.3/16in