Product DescriptionKeep your rifle bores spotless with the Tipton Nylon Rifle Bore Brush Set. This 13-piece kit covers .17 through .45 caliber with caliber-specific brushes for a precise fit and efficient cleaning. Nylon bristles deliver strong scrubbing performance and are resistant to modern powder and copper solvents. The set features industry-standard threads-8-32 for .22 through .45 caliber and 5-40 for .17 and .20 caliber-and comes organized in a durable, molded hinge-top storage box for easy selection and transport.Product Highlights Comprehensive 13-piece set for rifles from .17 to .45 caliber Nylon bristles resist harsh copper and powder solvents for long service life Industry-standard thread sizes: 8-32 (.22-.45) and 5-40 (.17 & .20) Molded, hinge-top storage box keeps brushes organized and protected Caliber-specific brushes ensure optimal fit and thorough bore cleaning Specs Product Type: Rifle Bore Brush Set Set Size: 13 pieces Caliber Compatibility: .17 (5-40), .20 (5-40), .22, .243/6mm, .25/6.5mm, .270/7mm, .30/32, .338/8mm, .35/9mm, .375, .40/416, .44, .45 Thread Pattern: 8-32 on .22-.45 caliber; 5-40 on .17 & .20 caliber Bristle Material: Nylon Includes: Storage box Brand Name: Tipton Manufacturer Part Number: 615333 UPC: 661120153337 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.