25Pcs M8 x 1.25 x 8mm Helicoil Compatible Thread Tap Repair Tool Cutter Kit Insert

Specification : Product name : thread repair kit Material : metal Size : as the picture show Application:Ideal for restoring damaged threads, suitable for engine repair and other automotive applications for Steel, Cast Iron and Aluminium. Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2.All dimensions are measured by hand, Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm). 3.Professional installation is highly recommended .If you want to know how to use or use it,please contact us by Email! Package included: 1 x tap 1 x drill 1 x hexagonal key 1 x tang breaking tool 1 x piece installation tool 20 x thread insert M8