Superior sharpening performance in the world's most compact and portable knife sharpening system. The new "take along" sharpening system is designed to meet the sharpening needs of travelers, sportsmen, military professionals and anyone who needs professional sharpening tools in a compact, lightweight configuration. All Gatco¨ sharpening hones have an integral guide rod holder with easy-out for use, easy in for storage sliding guide rod. Only the highest quality monocrystalline diamonds are selected for Gatco diamond products to meet rigid industry standards. Interrupted diamond pattern enhances sharpening capabilty and creates a slurry for diamond and steel particles. Simple design and fast cutting crystals sharpen quickly.