Pro-Shot Chamber Maid Bow Tie Chamber Cleaning Pads remove excess fouling and debris and are an excellent addition to a long gun cleaning process. Keeps a long-range shooting rifle in top operating performance. The unique bow tie shape of the pads assists with the removal of fouling by twisting the ends to free up the action. Perfect for the Remington 700, Winchester Mod 70, Ruger M77-Mark II , CZ 500 Types, Savage 110 Series, Sako, Tikka, and all Mauser Type Actions with opposing locking lug design. FeaturesApplies CLP or oil evenly Removes loosened fouling/carbon from Chamber Locking LugsThreads onto Standard .30 Cal. Bore Brush (Nylon Bristle Recommended)Strong and Absorbent Industrial Wool FeltFull Locking Lug Design - Patented Design (US Patent# 0562,935)