400 Grit Sunnen Hone Stones | 1.25"-1.44" Range | SNJ1-J87

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

• Silicon-Carbide stone
• Stone set consists of 3 stones
• Fit SNJ-10 hone (sold separately)
• Give an 8Ra finish on Cast Iron

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