Designed for .177 caliber airguns and .17 caliber rifles, these bore mops are made of all cotton material on twisted brass wire with a closed-loop end.
They are equipped with brass threads and ferrule, fitting Dewey and Outers small caliber cleaning rods.
The product specifications include a size of 2½" (6.3cm) long with a 5-40 male thread, suitable for universal rifles and handguns.