Wera 05021737001 950 9 bm n l keys for hexagon socket screws 9 piece set metric wera 05021737001 this set includes 9 metric l keys from wera with blacklaser finish and hex plus profile designed for use with hexagonal socket screws supplied in two component clip wera 05021737001 950 9 bm n l keys for hexagon socket screws 9 piece set metric