Indexable Grooving and Parting Toolholder NOVEX-CUT External Positive Insert Style SX Left Hand Grooving Shank Width 12.00mm ANSI Code G2012.1212L-3T16SX-P Center to Cutting Tip 10.80mm Compatible Hardware G1/8 in Threaded Plug FS2258 Insert Mounting Wrench FS2249 Coolant Fed Coolant Through