Product description Combining the Ultra Jags and Best Bore Brushes into one convenient 26-piece set gives you the ultimate storage system for your 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. Brushes are made from phosphor bronze bristles with a strong steel core while the cleaning jags are constructed from nickel plated brass. .17 to .45 calibers (does not include .20 caliber). All jags and brushes have 8-32 threads (.17 caliber has 5-40 threads and is a standard bore brush).
