Cylinder Hone Stones 80 Grit

3 Arm Replacement 4" Long X 5/8 Wide Hone Stones for Engine Cylinder Hone 40 Grit Stone w/ holder dimensions: 4" L x 5/8" W x 3/4" H Aggressive 40 grit Aluminum oxide stones bonded to aluminum stone holder Fits most models of 3 arm hones including PMD Products, KD, Harbor Freight and Greatneck (OEM) Can use with other engine cylinder hones with 5/8" stone mounts Replacement stone holder is 5/8" wide with bonded stone 1/2" wide Pack of 3, 4" Long 40 GRIT Engine Cylinder Hone Replacement Stones 40 GRIT Use with our PMD Products or 3 arm hones that have a 5/8" Wide Stones Replacement stone holder is 5/8" wide with bonded stone 1/2" wide Aluminum oxide stones bonded to aluminum stone holder Can use with other engine cylinder hones with 5/8" stone mounts Includes three stones Stone w/ holder dimensions: 4" L x 5/8" W x 3/4" H