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