20x Kit Of VALVE SEAT GRINDING STONES For SIOUX HOLDER 11/16" Thread 80 Grit.
HEAVY DUTY SIOUX STYLE STONES THREAD 11/16". STONES CAN BE DRESSED TO ANY ANGLE. 20 Pcs Stones. 2-1/2" (1 Pc Grey)(1 Pc Pink). 2-1/4" (1 Pc Grey)(1 Pc Pink). 2" (1 Pc Grey)(1 Pc Pink). 1-7/8" (1 Pc Grey)(1 Pc Pink).