Includes 100 3 inch square patchesOtis 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 Round Patches with Otis Pull-Through Gun Cleaning Systems Choose the right patches for the job 3" Patches (This product) .50 CAL, 12.9MM, .54 CAL, .58 CAL, 410GA, 28GA, 20GA,16GA,12GA 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 2.5" Patches .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