Wieland fasis cover strips with warning symbol adfn yellow wieland 0434383538 this fasis cover strip with warning symbol adfn 254 from wieland has a tension spring connection and covers four blocks the face of the cover features a yellow and black alertinformation symbolcompatible with the following blocks seloswfkn 25feed through and groundwfkn 25 emulti tierwfkn 25 e12multi tierwfkn 25 e3multi tier and motor connectionwfkn 25 tkmdisconnect and multi tier wiel