SIOUX VALVE SEAT GRINDER STONE   SET OF 20 PIECES  PERFORMANCE  STONES STONE SIZES :- 2 1/2" 2 PCS 2 1/4" 2PCS  2" 2PCS   1.7/8 2PCS  1.3/4" 2PCS  1.5/8" 2PCS  1.1/2" 2PCS  1.3/8" 2PCS 1.1/4" 2 PCS 1.1/8" 2 PCS STONE THREAD - 11/16" x 16  THESE STONES CAN BE DRESSED TO ANY ANGLE   BULK QUERY CONTACT US ! FEEL FREE TO ASK ANY QUESTION THANKS FOR LOOKING !