Wago wsb quick marking system for terminal block numeric 249 series wago 249 657 wago 249 657 wsb quick marking system for terminal block vertical marked 1 4 7 88 amp 2 5 8 89 amp 3 6 9 90 amp 91 94 97 92 95 98 93 96 99 1ea 10 strips with 10 markers per card consecutive numbers each strip for terminal block width 5 175mm white wago 249 657 wsb quick marking system for terminal block 1 99 white 5pk