Set comprising a Quick Chuck and three sizes of Drill Bit Guides for the accurate fitting of hinges.
Drill bit guides for No.6 No.8 and No.10 screws.
Self-centring drills for the accurate drilling of pilot holes for fittings such as hinges to ensure exact alignment .
Drill bit guides can easily be dismantled for cleaning and are supplied with a HSS drill bits.

Specification:
Shank Diameter=1/4 inch hex
D=2 mm (5/64inch)
D=2.75 mm (7/64inch)
D=3.5 mm (9/64inch)
Screw size=No.6 (3.5 mm)
Screw size=No.8 (4.0 mm)
Screw size=No.10 (5.0 mm)

Includes:
1 x Quick chuck
1 x Drill bit guide 5/64"
1 x Drill bit guide 7/64"
1 x Drill bit guide 9/64"