A&M Instruments Stoneworking Full Bullnose 3/4" Radius Plated Diamond Router Bit for Marble - FBN 0.75Sold individually for $120. 00 each. A&M Instruments Product Code: FBN 0. 75 Material: Marble Grit: 35 40 Coarse; 120 140 Fine Head Diameter: For 3 4" Radius 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 precision Diamond Cutting

A&M Instruments Product Code: Coarse CBNM4368-0160C

ISO Max Speed:  RPM

Coarse 806 314 130 534 013

Coarse 4384-0312C

Coarse 6850-016

Fine 8801-017

Item sold individually at $6

sizes and grits

Head Diameter: 2

Medium 806 314 130 524 012

FGCAR170 - $2

Coarse 806 314 199 534 016