5/16" INTERNAL & EXTERNAL INDEXABLE THREADING TOOL HOLDER KIT (2301-2312)

5/16" Internal & External Indexable Threading Tool Holder & Insert Kit Includes 1 piece of internal holder #SIR0312H08 and 1 piece of external holder #SER0312D08. Also included are 3 pieces of 06IR and 4 pieces of 06ER TiN coated carbide inserts. Items are packaged in a fitted case with a T-8 torx wrench. Replacement screw is an M2.5 X 6 (#2100-0070). Shipping Weight: 0.6 lbs