Feature: 1. The product is an effective thread repair tool including 10pcs threaded inserts, enough to install 2. If a thread error occurs or a damaged female threaded hole is repaired, a threaded insert can be used to repair, economical and efficient 3. The thread repair tool using excellent stainless steel to ensure the durability and stability of the product 4. Used for aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, mechanical equipment and radiators and other manufacturing fields 5. Thread reducing nut possess stable structure, excellent performance and long service life Specification: Item Type: Thread Inserts Material: 303 Stainless steel Specification: Female thread M6x1.0mm, male thread M8x1.25mm, approx. 6mm / 0.2inlongWhether to Slot: There is a small slot Purpose: Thread repairCase: For example, if the M8 thread is slippery, if you want to continue to use the M8 thread after the restoration, use this method to first expand the M8 thread to the M10 thread, and then use the M8-M10-12 length reducer to change it back to M8, because the material of this reducer is stainless steel, it will make the M8 thread more firm. Package List: 10 x Thread Inserts