This is a cast aluminum light weight lateral couple with 3” opening on either side. Capable of hooking up to Detachable lateral coupler part number C3330 sold separately. With a top side treaded female in-lit photo for size reference as shown above. Length of body 8-3/4 x Main Body width 3-3/4 x  Open flange 7” reduced to 3-5/8”. This is to be used for a large field irrigation system.