Wago miniature wsb quick marking system function labels 248 series wago 248 487 wago 248 487 miniature wsb quick marking system horizontal marked u1 v1 w1 u1 v1 w1 u1 v1 w1 10ea 10 strips with 10 markers per card consecutive letterssymbols each strip white wago 248 487 mini wsb quick marking system u1 v1 w1 u1 v1 w1 white 5pk