Aluminum Oxide Silversmiths' Oval Stone 3" 1/2" x 7/16" x 3/16" Dropship Plastic case acts as a

Plastic case acts as a mini sharpening stone base

Tecomec Part # 05800000

They do not work with either of those honing guides unless you have converted them to the larger wheel size using the Kell Retro Fit Large Rollers

Use the depth stop that gets you as close to 5/8" projection as possible for the most precise results

Being the same size as the Naniwa stones also means the the Naniwa Leather Strop will fit in the Naniwa Stone Box and Stand

Aluminum Oxide Silversmiths' Oval Stone 3" 1/2" x 7/16" x 3/16" Dropship Plastic case acts as aAluminum 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,