General description Metric Thread Repair Kit Coarse M4.0 - 0.70 Pitch includes 15 inserts and is designed to repair damaged threads in various applications. This kit is essential for restoring the functionality of threaded holes, ensuring a secure fit for screws and bolts. Technical specifications Thread size: M4.0 Pitch: 0.70 mm Number of inserts: 15 Length of inserts: 1 1/2 inches Diameter of inserts: 4.0 mm Other information Supplied with a tapping drill for easy installation.