General description Recoil 35208 Metric Thread Repair Kit is designed for repairing damaged threads or creating stronger original threads in alloys and composite materials. This kit includes 6 stainless steel inserts that are corrosion resistant, making it ideal for both original equipment manufacture and repairs. The inserts facilitate an easy transition between unified and metric threads. Technical specifications Thread size: M20.0 Pitch: 2.50 Insert length: 20mm (1 1/2D) Other information Includes a quality HSS tap, installation tool, precision stainless steel inserts, and instructions. Supplied in a sturdy container. Please note: NOT supplied with a tapping drill.