Seco Indexable Turning Tool Holder, S-PSKN Tool Holder, 400 mm Overall Length, Cylindrical Shank, 40 mm Shank, Insert Compatibility: SN..1204.., 4 Insert Seat, Right Hand Cutting, 12.7 mm Inscribed Circle, 75 deg Lead Angle, 58 mm Head Length, ANSI Code: S40V-PSKNR12, Negative Rake