Seco, 00072411, Threading System, Internal Thread, Left Hand of Holder, 0.707 in Shank Width, 0.691 in Shank Height, 7.000 in Overall Length, Insert Compatibility: 22NL, 2.0000 in Head Length, SN Tool Holder, 0.492 in Center to Cutting Edge, Screw Insert Holding Method, Through Coolant (Yes/No): No