Aluminum Oxide Silversmiths' Oval Double Tapered Stone 4" x 1/2"-3/16" x 3/16" - 1/16" Professional Machine #3700031 is a Type 1

#3700031 is a Type 1 Straight Grinding Wheel for use on Foley-Belsaw Model 1055 Sharpeners

this steel's design dates back to the turn of the 20th century

Fine Cut Technology: Fine grooves on the steel hone razor sharp edges

The edges of these wheels are square and must be rounded before use

You get the best of two worlds

Aluminum Oxide Silversmiths' Oval Double Tapered Stone 4" x 1/2"-3/16" x 3/16" - 1/16" Professional Machine #3700031 is a Type 1Aluminum 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,