Wera 05021909001 950 l 9 sm l keys for hexagon socket screws 9 piece set metric wera 05021909001 this set includes 9 chrome plated metric l keys from wera with hex plus profile designed for use with hexagonal socket screws supplied in two component clip wera 05021909001 950 l 9 sm l keys for hexagon socket screws 9 piece set metric