SER2020K16 Lathe Turning Tool HolderModel: SER2020K16Shank Square D:20 x 20 mm Shank L: 125 mm Wrench :T 15Inserts Material：SteelAccept Inserts: 16ER AG60（10 Pcs）Suitable For: Semi-finishing， finishingFeatures:1.To maintain tight toleran