Indexable Grooving and Parting Toolholder, NOVEX-CUT External Positive, Insert Style GX, Left Hand, Grooving, Shank Width 1 in, ANSI Code G1111.16L-3T12-042GX24, Center to Cutting Tip 25.07mm, Compatible Hardware Clamp Screw FS2118;Torx Key FS1464