Suitable for internal and external threads ensure that your joins fittings acrews and bars have well maintained thread with this amazing set by repairing your threads you ensure that all joins are perfectly secure providing extra safety and durability content cutting tools m3 m4 m5 m6 m8 m10 m12 adjustable winch 1 cutting rings 25 mm diameter m3 m4 m5 m6 m8 m10 m12 cutting tool holder 25 x 9 material hssdin 352b en22568