The Memory-Flex cleaning rods come in a variety of lengths and are compatible with all Otis cleaning components. The flexible cables are coated and have a 750 lb pull strength. Together with the solid brass slotted tips, 100% cotton cleaning patches, a bore brush, and an all-in-one cleaner, lubricant, and preservative, you can now properly clean your firearm from Breech-to-Muzzle.