Allowing even novices to complete tasks quickly. Includes everything needed for thread repair: HSS drill, tap, counterbore, and installation driver, ensuring users have all tools at hand for efficient repairs PACKAGE CONTAINS: 1 PCS Counterbore, 1 PCS Drill, 1 PCS Tap, 1 PCS Install Driver, and 10 PCS Stainless Steel Inserts (15MM length). KennedyPro thread repair | Cromwell Tools Kit With Inserts M8 Helicoil Kit M8X1.0 Thread Repair Kit - 10 Stainless Steel Inserts With Drill, Tap & Installation Tools M8X1.0 Insert Kit Metric Thread Repair EASY TO INSTALL: Suitable for use with a power drill, pneumatic drill, or manually: drilling, tapping, and inserting. TIME SERT 52121 Big-Sert Thread Repair Kit M12x1.25 by 15mm long used with 5212 kit. These are the size that comes in the 5212 kit originally Avoids tooth misalignment and tooth extraction. PRECISION THREAD REPAIR KIT : Ideal for repairing damaged M12X1., 25 threads on auto parts, as well as restoring damaged and worn M12X1., 25 female threaded holes.