A&M Instruments Stoneworking Straight 1" x 1/2" Plated Diamond Bit for Marble and Granite - CLH 1.00Sold individually for $48. 93 each. A&M Instruments Product Code: CLH 1. 00 Material: Marble and Granite Grit: 35 40 Coarse; 120 140 Fine Head Diameter: 1. 0" Head Length: 1 2" Shank Diameter: 1 2" Used for edging 3 8" to 1 2" thick marble or granite (see product description). Diamond metal bond impregnated type for granite, nickel plated type for marble. For almost 40 years customers around the world have depended on A & M Instruments for high

A&M Instruments Product Code: HP6812-095C

Coarse 806 314 304 534 017

Fine 8392-015

New ISO #: Medium 806 314 197 524 012

A&M Instruments Product Code: DM30

Sold individually for $15

A&M Instruments Product Code: Medium HP820-060M

Item sold individually at $12

A&M Instruments Product Code: P4L

Medium 274-016

A&M Instruments Product Code: FGCAR1156

New ISO #: Extra Fine 806 314 199 504 013