Aluminum Oxide 6" x 1" Round File Grit:All Three #3570586 is a Type 4A2P

#3570586 is a Type 4A2P Diamond Grit wheel for tool grinding on Foley-Belsaw Model 374 and 380 Sharpeners

for centuries

The 8" length makes storage easy

then hold them both up to a light

Custom molded storage/travel case

Aluminum Oxide 6" x 1" Round File Grit:All Three #3570586 is a Type 4A2PAluminum 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 precision tasks such as sharpening, shaping, leveling, or deburring after machining. 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, reducing