Non-bristle design won't scratch the finest bore. Springy, looped wire brushes won't mat down. Self-cleaning action.

SPECS: Shotgun Brush - Stainless steel. 3ј" (8.3cm) long overall. 5?16"-27 thread. Rifle/Handgun Brush - Stainless steel. 3Ѕ" (8.9cm) long overall. 8-32 thread.