Diamond drill and hole saw kit

For drilling holes in very hard tile (porcelain) and glass. Includes 1 1/8 in hole saw, and 3/16 through 1/2 in diamond bits. **** Please note that these are very specialized and must be used in very specific manner, see instructions or read here: http://www.diamond-drill-bit-and-tool.com/Diamond-Drill/Diamond-Drill-Bit.shtml. Using the bits in wrong materials or with the wrong speed with ruin your work and the bits.

Diamond drill and hole saw kit

For drilling holes in very hard tile (porcelain) and glass. Includes 1 1/8 in hole saw, and 3/16 through 1/2 in diamond bits. **** Please note that these are very specialized and must be used in very specific manner, see instructions or read here: http://www.diamond-drill-bit-and-tool.com/Diamond-Drill/Diamond-Drill-Bit.shtml. Using the bits in wrong materials or with the wrong speed with ruin your work and the bits.