CMT 552 719 Diamond Dry Hole Saw 3 4" x 1 9 16" x 2 3 8" Hickey Bar Carefully Ground from Fine European Carefully Ground from Fine European High Speed Steel: Precision grinding from premium European steel stock ensures consistent knife geometry across all 3 blades of clearance means the connector adapts to your pour and site requirements rather than forcing a single fixed height so this diamond hole saw can be put to work immediately without sourcing a separate adapter or specialty tool 2 3 8" total length compact enough to maintain good control during handheld angle grinder work while still providing adequate reach through thick tile or stone