The kit includes a cup type hole saw with a mandrel drill bit for larger lock holes and a wood drill bit for latching holes. Precise boring for door is assured with four edged hole saw with an auger bit for pilot hole. Features: - Beside this kit, you will also need an electric drill, screwdriver, chisel and hammer, which are not provided here. - Hole saw with mandrel bit for larger keyhole and spiral drill bit for keyhole. - The door lock installation kit can only be used on wooden doors. - application for Hardwood, Plywood, Plastic and Gypsum board. Specification: Material=High Carbon Steel Hole Saw Dia=2 - 1/8" (54mm) Auger Bit Dia=7/8" (22mm) Shank Dia =0.35" (9mm) Weight=0.30 kg Dimensions=15 x 10 x 4 cm Packings: - 1 x Hole saw - 1 x Auger Bit
