JBH1015 Features: * Hole saw * The Real McCoy series * High speed hole saw with a handy built in arbor * Cut wood, plastic, or any machinable metal, including tool steel and stainless * Cuts materials up to 1-3/8"" thick * For small diameter holes or larger holes in light material * Use with pilot drill TACPD4 Dimensions: * Can be used with 1/4"" or 3/8"" drills * For heavy duty applications or larger diameters 1/2"" drill are recommended * 1-7/8"" hole saw size