New 8 PCS HSS LATHE FORM TOOLS 4 mm Square SHANK Made of High Quality H.S.S material- M2 Grade Hardened & Ground- Can retain their hardness even at high temperatures while turning metal. The Set Includes Following 8 Form Tools:- Left hand turning tool Right hand turning tool Straight finishing (60/55 Deg) Corner Tool Parting tool Boring tool Threading (60/55 Deg) Internal threading(60/ 55 Deg) Supplied in a Good Quality Wooden Box.