ITEM NAME:11pcs/set Die Wrench Kit Bearing Steel Screw Thread Cutting Straight ZSL.Quantity: 11pcs. Product list: Wrench set 1 set (10 die, one die wrench). It includes 1 piece wrench and 10 pieces screw dies. Item Type: Die & Wrench Set. Wrench: M25. Thread Type: Coarse Thread. It can improve the efficiency of processing thread, a necessary tool for hand tapping operation.