Gun Cleaning Rod Fitting Adapter Set, 5-40 8-32 10-32 5/16-27 Threads in Male & Female, Fits Different Sized Rods & Brushes, Compatible with Rifle, Pistol, Airgun, Shotgun (3 types, 2 of each). This adapter kit allows you to use your existing cleaning rod across various firearm platforms, making it an economical and practical addition to any gun maintenance toolkit.