Trend Snappy SNAPDBGA drill bit guide set comprising three sizes of Drill Bit Guides for the accurate fitting of hinges and No.2 Pozi and Phillips 50mm screwdriver bits. 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.