IMPA Code: 610601/610602/610603/610604/610605/610606/610607/610608/610609/610610/610611/610612/610613/610614/610615/610616/610617/610618/610619/610620/610621/610622/610623/610624/610625/610626/610627/610628/610629/610630/610631/610632/610633/610634/610635/610636/610637/610638/610639/610640/610641/610642/610643/610644/610645/610646/610647
Milled surface and smoothed edge, oepning size is stamped on te head. Hardenedand finished in industrial black, head has a polished finish. For check-jam-lock nuts, etc.
