A Thread Repair Kit M14 x 1D Replacement Inserts 5pc is a set of 5 replacement inserts designed for repairing damaged or stripped threads, specifically for M14 x 1.0mm diameter threads. The kit allows you to restore the functionality of threaded holes in various materials, such as metal or plastic, by installing these durable inserts. These inserts are ideal for use in automotive, machinery, or general repair applications where thread integrity is crucial. This 5-piece set provides multiple inserts for repeated use or for multiple repairs.