Combining the ultra jags and best bore brushes into one convenient 26-piece set gives the ultimate storage system for brushes and jags.Neatly organized in a durable hinged box with marked cavities it's easy to select the correct jag and brush for your particular application.Because they are caliber-specific you can be assured of an optimum fit to your firearm's bore for efficient and thorough cleaning.All jags and brushes have 8-32 threads.*does not include 20 caliber; 17 and 20 caliber has 5-40 threads and is a standard bore brush.Thread Pattern: #8-32Type: Jag & Brush SetSize: 26 PiecesQuantity: 26 PiecesTip Feature: 8-32