The housing base of the WTCP 51 soldering station is an original spare part made of robust plastic and forms the stable base of the unit. It is compatible with the Weller stations WTCP 51, WS 51, WS 81, WSD 81, WSD 151, WSD 161, WSD 151R, WSF 81 and WTT 1 - always ensuring a secure hold and reliable protection of the internal electronics.