Features: Manufactured from high-duty steel wire with high strength thread, good wear resistance. The wire screw set can be placed in the screw hole of the workpiece such as aluminum alloy to form a standard internal thread with high strength, w ear resistance and high accuracy. Typical application in high voltage switchgear, microwave communication, automotive parts, aerospace precision parts, electronic products, air equipment, radiators, etc. Wire thread insert can be used as a repair tool to effectively repair threaded holes. Great choice for restoring damaged threads in steel, iron, aluminum and anywhere which metal threads become stripped, crossed or damaged. Specification: Material: Stainless Steel Model: M7*1.0, M6*0.75, M9*1.25, M8*1.0, M9*1.5 (Optional) Package List: 15 x Thread Repair Sleeve 1 x Installation Wrench 1 x Bottom Hole Bit 1 x Special Tapping for Screw Sleeve 1、Manufactured from high-duty steel wire with high strength thread, good wear resistance. 2、The wire screw set can be placed in the screw hole of the workpiece such as aluminum alloy to form a standard internal thread with high strength, w ear resistance and high accuracy. 3、Typical application in high voltage switchgear, microwave communication, automotive parts, aerospace precision parts, electronic products, air equipment, radiators, etc. 4、Wire thread insert can be used as a repair tool to effectively repair threaded holes. 5、Great choice for restoring damaged threads in steel, iron, aluminum and anywhere which metal threads become stripped, crossed or damaged.