BiM holesaw for sheet metal assortment

Suitable for Included holesaws (1 each) Part No.
For Plumber 19,22,25,29,38,44,57mm holesaws, 9.5/11mm adapter with 1 pc. pilot drill B-38663
For Electrician 20,25,32,38,51,64mm holesaws, 9.5/11mm adapter with 1 pc. pilot drill B-38679