The innovative Bosch "Power Change" adaptor system, holesaws and pilot drill bits can now be changed with a single time saving "click". One arbor fits all Progressor Holesaws. The Progressor tooth geometry and the HSS with 8% Cobalt alloy cutting edge guarantee excellent results in steel, cast iron, stainless steel, alloyed and unalloyed aluminium, bronze, copper, PVC, acrylic glass and wood. The 14 Piece Plumbers set contains: 19, 22, 25, 29, 35, 38, 44, 51, 57, 64 and 76mm Progressor hole saws plus the Power change holder with 2 HSS-G pilot drill bits, all supplied in a handy storage case.
