Rubber stone, removes rust and burrs, Useful for all servicemen, Long lasting
Every person should own one of these. Great for removing rust and burrs. Also works well for feathering back (detuning) the tips and tails.
For polishing and light to medium edge clean up. Can be used after filing to remove micro burrs.
Extra hard gummy. Used after filing to remove micro burrs. Makes the steel edges more durable.