Bosch HDG2 2" Diamond Hole SawBosch HDG2 2" Diamond Hole Saw Features: Diamond hole saws are ideal for granite, grade 5 porcelain, stone, marble, glass, travertine and other hard surfaces Requires water, typically a spray bottle, to remain cool and extend bit life Segmented Teeth allows water to reach cutting edge reducing debris and heat build-up AutoStart Centering Pin for walk-free drilling without a pilot hole Longer life than competitive products Diameter: 2" Cutting Depth: 1 3/8"* Image shown may vary by color, finish, material or size