400 Grit Sunnen Hone Stones | 1.42"-1.6" Range | SNJ2-J87

400 Grit Stones are ideal for fine finishing of previously bored holes in aluminum, bronze and cast iron. 

• Silicon-Carbide stones
• Stone set consists of 3 stones
• Fit SNJ-10 hone (sold separately)
• Gives an 8Ra finish

NOTE: Goodson is authorized to ship Sunnen Products only within The United States and Canada.