Indexable Grooving and Parting Toolholder NOVEX-CUT External Positive Insert Style SX Left Hand Grooving Shank Width 20.00mm ANSI Code G2012.2020L-2T20SX-P Center to Cutting Tip 19.20mm Compatible Hardware G1/8 in Threaded Plug FS2258 Insert Mounting Wrench FS1494 M6 Threaded Plug FS2288 Coolant Fed Coolant Through