Trend Drill Bit Guides 4 piece set SNAP/DBG/SET

Trend Drill Bit Guides 4 piece set SNAP/DBG/SET

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 exac
Specification
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)
Shank Diameter= 1/4 inch
hex