Professional O-Ring Cleaning Jag designed for multiple calibers including .35 9mm .357 and .38 firearms with advanced sealing technology.O-Ring Cleaning Jag for .35/9mm/.357/.38 calibersMulti-caliber compatibility for versatile useO-ring design provides superior sealingEnhanced cleaning efficiency and solvent retentionDurable construction for repeated useEssential firearm maintenance tool that ensures thorough barrel cleaning with improved solvent contact and debris removal for optimal weapon performance.