... costs 2.No blocking due to optimal cutting geometry. This hole cutter is to cut ceramics, brick, hardwood, concrete, ... Item Number Descriptions HSC1022-01Zinc Alloy Base to fit hole cutter 33,43,53,63,67,73,83mm diameters ... fit hole cutter 33,43,53,63,67,73,83,93,103mm diameters with hex screw HSC1022-05 Carbide Tipped ... 9.5mm x Overall Length 135mm with hex shank Tungsten Grit Tipped Hole Cutter