Complete system allows drilling of two hinge cup holes with one set-up. Each guide features an integral spring clamp that requires no adjustment and provides repeatability when drilling multiple doors with the same setting. Includes robust aluminium rail 19mm (3/4”) and 2 x hinge cup drilling guides that slide along rail to align with hinge plates. Clamp provides firm support as downward pressure is applied with the drill bit. Ideal for achieving identical results throughout any bank of cabinets. Carbide-tipped 35mm drill bit sold separately. 3/4''