Aluminum Oxide Silversmiths' Oval Double Tapered Stone 4" x 1/2"-1/4" x 5/16" - 1/16" Grit:Medium and carbide tipped woodworking tools

and carbide tipped woodworking tools

Fine/Coarse - Good all purpose stone

220 grit Naniwa S2 Advance Super Stone

220 and 320 stones are too coarse for the Shapton Diamond Glass Lapping Plate

Aluminum Oxide Silversmiths' Oval Double Tapered Stone 4" x 1/2"-1/4" x 5/16" - 1/16" Grit:Medium and carbide tipped woodworking toolsAluminum Oxide Stones Aluminum oxide stones excel at refining surfaces, offering a finer finish than silicon carbide stones. Their durability and ability to hold their shape well make them ideal for touching up special instruments, cleaning tools and dies, and for honing to close tolerances. These stones are a good choice when a high quality finish and accuracy are critical. Oil Filled These Aluminum Oxide Stones are filled with oil in manufacturing,