Wago wsb quick marking system for terminal block 5 175mm numeric 249 series wago 249 604 wago 249 604 wsb quick marking system for terminal block width 5 175mm vertical marked 81 90 10ea 10 strips with 10 markers per card consecutive numbers each strip white wago 249 604 wsb marking system for terminal block 5 175mm 81 90 white 5pk