Dura-Block Cup Eliminators Model CE 500 are engineered to fit all full size gravity feed spray guns with 16mm female, 1.5mm thread. This includes older model SATA, current models: Iwata, Mark I, Air Force, Dura-Block, AIDR, Advantage, AirVerter, AES, AmPro, Astro-M-Star, ATD, CA Technologies, Campbell, Cent-Neu, Goni, Husky, Ingersol Rand, M-Star, Mac-Econocoat, Matco, MSB, Nesco, Porter Cable, Nikota, Sharpe, Sunex, Trem Pro, Vaper, Warwick, Spray-It and Star-III Guns and many others with 16mm female, 1.5mm thread. For other spray guns, there are four adapters included in each carton which allow the Cup Eliminators to be used with other guns.