Silicone Polishing Wheels Knife Edge Cratex Miniature Tapered Wheel, 1" x 1/8", Medium Grit
$1.60
www.nativejewelrysupply.com
Supplied with 1/16" center hole and can be used with mandrels with 3/32" or 1/8" shank in power tools with safe maximum speed of 25,000 RPM.