1/4 x 1/2 Male Adapter Copper x Male ThreadThe 1 4 x 1 2 Male Adapter Copper x Male Thread is a high quality fitting designed to connect copper tubing to a threaded pipe or component. Featuring a C x M (Copper Cup x Male Thread) connection, one end has a cup (C) for soldering onto copper pipe, while the other end has a male (M) NPT thread for secure attachment to threaded fittings or systems. Specification Value TYPE Copper Male Adapter DESIGN Threaded (m) end provides a secure, leak free