The Thread Repair Kit M16 x 1D (Replacement Inserts 5PCE) is a set of tools designed to repair or restore damaged threads on M16 x 1.0mm pitch bolts, nuts, or other threaded components. This kit includes 5 replacement inserts, which are used to rethread the damaged holes, providing a strong and reliable new threading for fasteners. The inserts are typically made of durable materials like stainless steel or high-carbon steel to ensure long-lasting repairs. This kit is ideal for automotive repairs, machinery maintenance, or DIY projects that require restoring threaded connections to their original strength and functionality.