Item Type: Thread Repair Kit Material: Stainless steel Threaded Insert Standard: M16 x 1.5length 1.5D Instructions First, use a drill of matching size to drill the hole. Second, use wire thread insert special tap tapping, the tapping depth must exceed the installation length of wire thread insert. Third, put the wire thread insert into the installation wrench with the tail down, and turn the handle of the installation wrench to screw the wire thread insert into the threaded hole. Fourth, use a punching tool to align the mounting handle tail and hit the punching tool with a hammer, and the tail handle can be removed. Fifth, when there is a problem with the installation of the wire thread insert, such as jumping teeth, the thread thread insert removal tool can be used to remove the thread insert. Package List: 1 X Twisted Drill 1 X Tap 1 X Wrench 1 X Breaker 1 X Hex Wrench 6 X Threaded InsertNote: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.