· Pro-Shot Bore Brush - Precision Engineered Design, Fit, & Function
· Superior Heavy Duty Stiff Nylon Bristles with Extra Thick Fill
· Precision #8-32 Threads
· Made in USA
Brush Thread Information: All Pro-Shot Brushes are Mfg. with American Standard Threading
· .17 and .20 Cal. - #5-40 thread
· Rifle and Pistol - #8-32 thread
· Shotgun - #5/16-27 thread