Professional core drill for commercial or occasional use Diamond core drill Suitable for concrete, brick, paving slabs, Asphalt Limestone, clay bricks and Aerated Blo Suitable for plumbers, professional tradesman etc... For dry drilling through brick and block work The diamond tips will cut a smooth hole Turbo segments make it faster cutting action and longer life expectancy Slots in the barrel make for an easy dust extraction whilst drilling as well as this it also allows you to push the block work out that may get stuck in the centre of the drill Diamond core drill for strength and durability Will fit any standard core drill arbor SPECIFICATIONS • Total width - 117mm (4.6") • Total height - 150mm • Arbor size - 1/2" BSP