20 PCS VALVE SEAT GRINDING STONES FOR SIOUX STONE HOLDER
11/16" Thread Mix Color Stones
2 pcs 1"
2 pcs 1" 1/8
2pcs 1" 3/16
2pcs 1" 1/4
2pcs 1' 3/8
2pcs 1" 1/2
2pcs 1" 5/8
2pcs 1" 3/4
2pcs 1" 7/8
2pcs 2"