8MM (5/16") - 5 PIECES INDEXABLE CARBIDE TIPPED LATHE TOOL SET *Inserts can be rotated to a new cutting edge without changing the position of the tool holder (each has three sides). 2 pieces style "A" for turning, facing, boring, and chamfering; 2 pieces style "B" for turning, facing, boring, and for lead angles; 1 piece style "E" for turning, facing, boring, chamfering, threading, and V-grooving, hex wrench with 5screws and 10 C2 carbide tips with chip breaker & wooden case Shank size: 8x8mm BOXED PACKED SET WITH 10 INSERTS AND 1 TORX KEY. New & Box Packed. Feel Free To Ask Any Question.