Reed Cage - Aluminum, complete.  This style reed cage is referred to as the open back cage.  Preferred by some mod and performance Mercury guys.  The reed port holes are 5/8 X 1 7/32.  They have the steel pins for the reeds and reed stops.  All nice used condition.  For 30ci - 40ci - 44ci motors.  Could also run them in certain 2 cylinder Merc 200's.  6 Available