Wago wsb quick marking system for terminal block numeric 249 series wago 249 658 wago 249 658 wsb quick marking system for terminal block vertical marked 100 103 106 187 amp 101 104 107 188 amp 102 105 108 189 amp 190 193 196 191 194 197 192 195 198 1ea 10 strips with 10 markers per card consecutive numbers each strip for terminal block width 5 175mm white wago 249 658 wsb quick marking system for terminal block 100 198 white 5pk