Description All blades have a 1” arbor and a “Christmas tree” OR Triangle knock-out to accommodate all early entry concrete saws. This diamond blade has the highest quality diamond with the most extended life in green concrete. It allows the user to cut control and relief joints cleanly before the concrete fully cures. The high-quality diamond and its segment provide for fast cuts and blades that last through the toughest jobs. They are designed to cut through green concrete smoothly. Size chart PART # SIZE SEGMENT HEIGHT MAX RPM DB-00968 5" x .095" x Knockout-1” 10mm 12,225 DB-00969 5.5" x .095" x Knockout-1” 10mm 12,225 DB-10643 6" x .095" x Knockout-1” 10mm 10,190 DB-10645 8" x .095" x Knockout-1” 10mm 6,800 DB-10648 10" x .125" x Knockout-1” 10mm 6,100 DB-10651 12" x .125" x Knockout-1” 10mm 6,300 DB-10655 13.5" x .125" x Knockout-1” 10mm 5,400 DB-10658 14" x .125" x Knockout-1” 10mm 5,400