Indexable Grooving and Parting Toolholder NOVEX-CUT External Positive Insert Style SX Left Hand Grooving Shank Width 16.00mm ANSI Code G2012.1616L-3T16SX-P Center to Cutting Tip 4.80mm Compatible Hardware G1/8 in Threaded Plug FS2258 Insert Mounting Wrench FS2249 Coolant Fed Coolant Through