50 CALIBER BORE MOPS WITH 8-32 THREADS ALLOW YOU TO USE YOUR GUN CLEANING ROD TO LUBE AND PROTECT YOUR GUN AFTER CLEANING , SIMPLY APPLY LUBE OR OIL TO THE MOP AND RUN IT THRU THE BARREL. .MOPS CAN BE REUSED ALSO INCLUDED IS A 10-32 M TO 8-32 F ADAPTER THAT ALLOWS YOU TO USE THE MOPS WITH YOUR RAMROD PACK OF 12
eBay