A&M Instruments Stoneworking Fillet Scotia 3/4" Radius Plated Diamond Router Bit for Granite or Marble - FSC 0.75Sold individually for $100. 00 each. A&M Instruments Product Code: FSC 0. 75 Material: Granite or 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

Coarse 6813-018

Old ISO #: Fine 8857SE-013

Old ISO #: Fine 8885-011

A&M Instruments Product Code: Fine 4378-0040F

Fine 8830L-013

Extra Fine DISC100190EF

Old ISO #: Medium 878K-017

Sold individually for $44

Fine 806 314 166 514 009

New ISO #: Extra Fine 806 314 233 504 010

A&M Instruments Product Code: S5

New ISO #: Medium 806 314 171 524 016