* The long-lasting choice for cutting holes in materials too hard or abrasive for standard bi-metal hole saws, or so thin they would strip bi-metal or chip carbide teeth. Ideal for cutting ceramics, fiberglass, hardwoods, cast iron, composites, etc.

* Super resistance to heat, wear and abrasion with shock resistant back.

* Tungsten carbide grains are bonded to alloy backs with a gulleted, snag resistant edge.

* 38mm (1-1/2") cutting depth.