Wago miniature wsb quick marking system function labels 248 series wago 248 497 wago 248 497 miniature wsb quick marking system horizontal marked u5 v5 w5 u5 v5 w5 u5 v5 w5 10ea 10 strips with 10 markers per card consecutive letterssymbols each strip white wago 248 497 mini wsb quick marking system u5 v5 w5 u5 v5 w5 white 5pk