Bosch Sheet Metal Holesaws - Bosch 2608584804, This sheet metal holesaw from Bosch has a power change adaptor which holds the pilot drill and fits into your drill chuck, thus allowing fast fitting and changing of the range of holesaw sizes with just one click.
Suitable for working in steel and cast iron, stainless steel, structural steel, alloyed and unalloyed aluminium, bronze, copper, PVC, acrylic, glass and wood.
Bosch 2608584804 Hole Saw HSS-Co 70mm Metal Power-change & Ejector Spring