Wago mini wsb quick marking system for wago io system alphanumeric 247 series wago 247 512 wago 247 512 miniature wsb quick marking system for wago io system horizontal marked x0 x1 x8 x9 10ea consecutive numbersletters each strip decade marking with red printing white wago 247 512 mini wsb marking system for wago io system x0 x1 x8 x9 white 5pk