Hoppes SGO12: Hoppe\'s kits aren\'t just convenient, they\'re extremely well thought out. Hoppe\'s Cleaning Kits include: Hoppe\'s No. 9 Solvent, 2 oz., Hoppe\'s Lubricating Oil, 2.25 oz., round cotton patches, slotted ends and adapters (where appropriate), aluminum Cleaning Rod, a brush to fit your specific gauge. Brushes not included in universal sizes. Available in reusable plastic box with mounted instructions and more economical clamshell versions.