SNJ2-J87 : Sunnen 400 Grit Hone Stones - 1.42 to 1.6" Range
Silicon-Carbide stones. Stone set consists of 3 stones. Fit SNJ-10 hone (sold separately). 400 Grit Stones are ideal for fine finishing of previously bored holes in aluminum, bronze and cast iron. Goodson is authorized to ship Sunnen products only within the United States. Gives an 8Ra Finish.