The walls of these tubes are filled with microscopic pores

While it's part of the RUX system

Convenient Preparation: Simply remove the oxygen absorber

A core piece of equipment for any feller

artificial flavour

DMT Credit Card Dia-Sharp FINE GRIT Sharpener Camping Kettles The walls of these tubesTake your sharpening anywhere with the ready to go Dia Sharp credit card sized diamond sharpener. Fits easily in pocket or wallet. Comes in convenient vinyl color coded carry case. Fine to polish and refine a razor edge after sharpening with a coarser diamond. Size: 3 1 4" x 2" x . 05" Sharpening with diamonds is fast and easy. No messy oils neededsharpen dry or with water. Durable construction will provide years of consistent performance and reliable