TLY Industrial Grade Brazed Diamond Drill
. Size : 5, 6, 8, 10, 12, 14, 16mm
. Material : High Grade Brazed Diamond
. Shank : 1/4" Hexagon Shank
. For : Glass, Ceramic , Marble, Granite, Stone, Concrete, Rebar In Concrete
. Wax inside for cooling
. Can be for dry and wet used
. Multi-purpose drilling, very high efficency