Features:Designed for cutting holes in various materialsLong Life cutting holes in various materialsDurable bi-metal teeth with a Vario design for smooth cutting in various materialsWhen you need to cut holes through various materials, you want a reliable hole saw that lasts - no matter what material you cut. Our Multi Material Threaded Hole Saw is equally effective in wood, drywall, metal, and plastic.The Multi Material Threaded Hole Saw features a special vario tooth design for cutting various materials. Use it with a hole saw arbor and a pilot drill.