SMA Products #10 Boomless Nozzle-Bras 1/2" NPTF - 400-65411 Hamilton Brass Boomless Nozzles Just screw this Nozzle into a piece of pipe, hook in a quick-acting Valve and you have a sprayer for tractors or trucks that will cover a strip up to 56 feet wide. Provides even, thorough spray distribution. Fitted with 2 Caps, one for 180° and one for 90°. To change from one spray pattern to the other, simply take out two screws and interchange Caps. This is an Aftermarket part. Not O.E.M.