Wago miniature wsb quick marking system function labels 248 series wago 248 474 wago 248 474 miniature wsb quick marking system horizontal marked u v w n pe u v w n pe 10ea 10 strips with 10 markers per card consecutive letterssymbols each strip white wago 248 474 mini wsb quick marking system u v w n pe u v w n pe white 5pk