Includes 100 2.5 inch square patches Otis Technology 100% cotton square gun cleaning patches are not only more absorbent, but will not leave streaks in your barrel. Intended for use with Solid Rod Gun Cleaning Jags - Please use Otis Round Patches with Otis Pull-Through Gun Cleaning Systems Choose the right patches for the job 2.5" Patches (This Product) .30, .30-06, .30-30, .303, .308, .300 Win. Mag., .32 CAL, 7.62MM,8MM, .338, .340, .35 CAL, .357, .370, .375, .380, .38 CAL, 9MM,9.3MM, .40, .401, .404, .405, .41 CAL, 10.75, 10MM, .44, .444, .45,.458 CAL 1" Patches: .17HMR, .177 CAL, 4.6MM, .204 LIMITED BREECH, .22 RIM-FIRE,10-22 CAL, .219, .22, .220, .22-250, .222, .223 CAL, 5.56MM,5.7MM, .243, .25-06, .25, .257 CAL, 6MM, 6.35MM, 6.5MM, .260,.270, .280, .284 CAL, 6.8MM, 7MM 3" Patches .50 CAL, 12.9MM, .54 CAL, .58 CAL, 410GA, 28GA, 20GA,16GA,12GA