Makita D-74011 68mm Core Cutter Set

68mm diameter core bit complete with pilot drill and adapter Ideal for making through-holes in masonry for piping, ventilation and electrical installations Core bits have larger diameters than standard carbide bits, allowing smaller Hammers to drill larger holes Allows the user to drill holes in materials such as masonry, brick, mortar and limestone in just one attempt 3 different lengths of adapters are available for deeper drilling depths and cores ranging from 30mm to 100mm are available (not included) 3 piece set, Manufacturer: Makita