Ulti-mate offers a super fast, tool free change between different diameters of holesaw, 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 hole saw from the arbor.
The A3-6 comprises;
1 x Ulti-mate Holesaw arbor with pilot drill.
1 x A3-3 Holesaw Adaptor suitable for 14 - 30mm (9/16 - 1.3/16in) holesaws.
1 x A3-4 Holesaw Adaptor suitable for 32 - 102mm (1.1/4 - 4in) holesaws.