Aanraku® brings you Twofers - superior quality, low-cost diamond grinding bits.
Use jewelry bits to grind a perfect groove into the edges of jewelry for finishing and wire wrapping. A huge time saver! Best of all, your jewelry pieces will be more durable!
-Bits fit most glass grinders (5/16" diameter shaft). -Diamond mesh grit is 220. -Guaranteed Not To Peel -Diamond abrasive bonding surface is double plated for strength, dependability, and long life. -Superior quality and low cost give you a high value bit!