the bottom piece is 3" long & 3/4 wide.
the top piece is 1 1/2 long w/ a spring.
Paul from SWISCO responded:
October 15, 2014
This hardware has been discontinued, but we still have a limited supply. See our 26-046 and 26-047 tilt latches. 15-035 tilt pivot and unfortunately the tilt gear is no longer available.