10-Piece Valve Seat Grinding Stone Set for BLACK & DECKER 9/16" Holder Valve Seat Polishing Stones 10-Piece Set (For BLACK & DECKER Holder 9/16" Thread) 80 Grit Product Specification: Stone Sizes 1-1/8" 1-1/4" 1-3/8" 1-1/2" 1-5/8" 1-3/4" 1-7/8" 2" 2-1/4" 2-1/2" STONES CAN BE DRESSED AT ANY ANGLE VITRIFIED BOND 80 GRIT MEDIUM.
