India Combination Benchstone Coarse/Fine sizingsealersprimers had perfected a new method

had perfected a new method for making bicycle spokes

Easy user replaceable cutting wires

NIOSH-approved for respiratory protection against certain gases or vapors

Mix Ratio By Volume 1A:1B Pot Life 1

Uses for C

India Combination Benchstone Coarse/Fine sizingsealersprimers had perfected a new methodThe Norton India AO Combination Grit Benchstone produces keen, long lasting edges with its unique combination of coarse and fine grit aluminum oxide abrasive. To improve sharpening and reduce clogging, use with oil. Ideal for clean deburring, these benchstones will produce sharp edges and quality finishes. 4 In. 1 In. Coarse Fine India Grits Coarse 150 Fine 400