Nozzle is made of alumina material, diameter is 1/2" and for use with A-125 Series, A-80 Series, W-200, W-250 Series, A-150 Auto, W-250 Auto, W-280, W-375. Model # 53N61S Features: Diameter - 1/2" Material - alumina Item - Nozzle Nozzle Size -8 Made in China.
