The Makita D-47307 universal holesaw set is has a vari-pitch tooth design and are recommended for cutting steel, aluminium, copper, brass, wood and plastic.
Features:
Vari-pitch tooth design
Application: Trunking, conduit, pipe, kitchen, bathroom Hardwood, Softwood, Metal, Mild Steel, Aluminium, PVC
Comes with Aluminium carry case
Contains:
6, 19, 22, 25, 32, 35, 37, 44, 51, 57, 64, 68, 76mm holesaws
2 x arbors
1 x spring