Trepan pro steel saw diamond segment m16 ° 68 mm prof 70 mm concrete brick scid Rotation speed: 1000 RPM Steel trepan with diamond segments welded laser Drilling: Brick, concrete block and concrete Can be used with a m16 trepan saw shaft To be used with drills equipped with a safety clutch ° 68 mm, cutting depth 70 mm Prestalia E-commerce solutions.