General description Recoil 37168 Metric Thread Repair Kit is designed for repairing damaged threads or creating stronger original threads in alloys and composite materials. This kit is ideal for original equipment manufacture and simplifies the changeover from unified to metric threads. Technical specifications Thread size: 16mm x 1.5 Length of inserts: 1 1/2 inches Diameter of inserts: 16mm Drill bit required: 16.5mm (not supplied) Compatibility and accessories Includes quality HSS tap Installation tool Precision stainless steel inserts Instructions Other information Supplied in a sturdy container