Wago 8 level end plate 762mm thick numeric 727 series wago 727 167 wago 727 167 8 level end plate marked 0 1 2 3 4 5 6 7 7 6 5 4 3 2 1 762mm thick colour light grey 25pcs wago 727 167 8 level end plate 0 7 7 1 762mm light grey 25pk