"The Otis 610 cleaning system is specifically designed to clean .22 caliber through .45 caliber pistols. Now automatics can be cleaned correctly, from Breech-to-Muzzle, without disassembly. 3"", 100% cotton, all-caliber patches and a heavy-duty bore brush easily strip the copper and lead from bores. This pistol cleaning system comes with a .20 caliber and a .30 caliber solid brass slotted tip, a .20 caliber and a .30 caliber obstruction remover; which can be used to clean obstructions out of the bore, a t-handle bar for added comfort while pulling the flexible rod through the barrel and a bore reflector/flag safety.This kit would not be complete without the 0.5oz. tube of Otis O85 Ultra Bore Solvent and the 0.38 and 0.45 caliber bore brushes. Everything is neatly packed in a 0.5 lb., pocket size, softpack case complete with a belt loop attachment and a locking zipper.|Dimensions: 4"" x 4"" x 2-1/4"""