Spectre SP-17063 9 Piece Electricians Holesaw Set

Holesaws of high quality M42 Bi-metal.
4/6 TPI variable pitch teeth.
Cutting depth: 38mm.
Cuts steel, cast iron, aluminium, wood and plastic.
Contents: 20, 25, 32, 38, 51 and 64mm, arbors and drill bits.
Supplied in a handy plastic case.