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A-4415 Diamond Microfinishing Film Band, 400 grit/30 micron, 1/4 x 1/2

Item Number A-4415
Price $3.25
Diamond Microfinishing Film Sanding Band from 3M has flexible film backing suitable for metal working and lapidary applications. It works great on all materials including stone, glass, and hard to work on stainless steel and titanium. Use wet when working with gemstone, rock and glass. 
1/4" dia x 1/2" long (6 x 13mm), 30 micron grade, 400 grit. Use with mandrels A-SD324 or A-SD184. 40,000 RPM Max Speed. Made in USA.