Features Made of stainless steel with good rust and corrosion resistance. The wire screw set is inserted into the screw hole of the workpiece, such as aluminium alloy, to form a standard internal thread with high strength, wear resistance and high precision. Typical applications: high voltage switchgear, microwave communication, car The use of wire screw sleeves for converting mm --- inch threaded holes is convenient and fast. The imported device or mechanical inch thread is damaged and needs to be converted to mm thread due to the spare parts supply. In the event of a screw-in error or repair of a damaged internal thread hole, the threaded hole can be repaired economically and effectively by using a threaded sleeve as a repair tool. The same screws can also be used after repair. Typical application All accessories are integrated into one box for convenient transport and transport. Specification:Item Type:Threaded Sleeve Material: stainless steel. Thread insert size: M14 x 1.5, length: 2D. Package list: 1 x twist drill, 1 x tap, 1 x wrench, 1 x breaker pin tool, 1 x hex key, 10 x thread repair insert Note: Instructions: Drill holes with a suitable drill. Use (special) taps with wire thread, the thread cutting depth must exceed the mounting length of the wire screw sleeve. Insert the wire screw with the end down into the mounting key. Turn the key handle to screw the wire screw into the threaded hole. Use a breaker pin tool to align the mounting handle (end piece) with a hammer to strike on the punching tool, and the end piece handle can be removed. If there is a problem with the installation of the threaded screw sleeve (e.g. a bridge), the threaded sleeve can be removed with the wire threading tool. Please note that the new type and old type of this product are sent at random, and make sure you do not remember before ordering. Package List 1 x Spiral Drill 1 x Screw Tap 1 x Wrench 1 x Break Pin Tool 1 x Hex Wrench 10 x Thread Repair Insert