The SGO12B model by Hoppe\'s offers cleaning kits that are more than just handy - they embody careful planning and extensive consideration. Each kit comprises the following items: Hoppe\'s No. 9 Solvent of 2 oz., Hoppe\'s Lubricating Oil of 2.25 oz., round cotton patches, slotted ends and adapters (if applicable), along with an aluminum Cleaning Rod and a gauge-specific brush. Please note that brushes are not included for universal sizes.You have the option to choose between two types of packaging - a reusable plastic box with mounted instructions, and a more cost-effective clamshell version. Both these packaging types combine utility with affordability, catering effectively to your cleaning needs.