Used with AMWF-L-S ball locking locator pins. These flex locator receptacles are used with AMWF-L-S series ball locking pneumatic flex locator pins for locating and fastening in a wide range of tooling, fixturing and assembly operations. When air pressure is applied, the balls retract into the pin, allowing the pin to be released from the receptacle. Made from 1045 steel with an electroless nickel plated finish.