Seco, 02528513, Precision Grooves, K-Style, Series: CEL, External Thread, Left Hand of Holder, 0.984 in Shank Width, 1.260 in Shank Height, 6.693 in Overall Length, Insert Compatibility: 26EL, 1.732 in Head Length, 1.575 in Back of Bar to Cutting Edge, Clamp Insert Holding Method, Through Coolant (Yes/No): No