We had this premium reproduction receiver custom manufactured to be a close match to an original Western Electric 144 receiver. It is made of ABS plastic and it is great for use on Wood Wall or Candlestick phones.
Magnet Cap - The receiver takes an original Western or Northern Electric magnet type receiver. (not included)
143 Cap - The receiver takes an original Western or Northern Electric magnet type receiver. (not included)
U1 Style Cap - The receiver will take a U1 receiver element (not included) and it comes complete with the weight to properly actuate the switch.