Check the listing for details. 10Pcs Threaded Inserts, M4-0.7x8 & M8-1.25x8 Thread Repair Insert. Condition: New. Listed at 14.31 USD. Description:1. Material: Our thread inserts are made of stainless steel 303, with fine workmanship, strong wear resistance, corrosion resistance, high strength, not easy to rust, and long service life. 2. Design: The nut inserts are durable, professional, beautiful in appearance, and simple in structure. They can effectively fix parts, prevent items from loosening or falling off, and improve the stability of their overall structure; the thread size is standard, the thread is clear, not easy to slip, and it is easy to repair and adjust the equipment. 3. Easy To Use: Easy to install and easy to operate, the screw insert can only be screwed in with a slotted screwdriver head. 4. Wide Application: Nut inserts can connect and fix various parts.