Keep your firearms clean and well-maintained with this set of Tipton Solid Brass Cleaning Jags. Includes 13 jags in a convenient storage box with marked cavities. Designed to provide a tight fit between the patch and the bore Pointed tip keeps the patch centered 8-32 threads .17 and .20 cal. have 5-40 threads Will fit most cleaning rods Durable, hinged box with marked cavitiesIncludes: .17 .20 .22 .243/6mm .25/6.5mm, .270/7mm .30 .338/8mm .35/9mm .375 .40 .44 .45