2mm cutting depth, accurate, fast and clean holes. Replaceable pilot drill, fits standard chucks, complete with Arbor. Lasts 10 x longer than standard Bi-Metal holesaw when cutting sheet metal. Fast and clean cutting, suitable for drilling sheet metal, steel pipe, stainless steel, aluminium and fibreglass reinforced synthetic materials. Available in sizes from 15.0mm - 92.0mm. 11 piece kit available, 16 - 50mm.