300 Grit Diamond Burr - 50 Pc Set Grit:300g The oldest of the Rugosa

The oldest of the Rugosa corals are found in rocks from the Ordovician Period

Stone Type: Sodalite

Distance Between Pegs: 15 cm

Dimensions: 2" x 4" x 1/2"

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300 Grit Diamond Burr - 50 Pc Set Grit:300g The oldest of the RugosaDescription: These Diamond plated rotary burrs with finer 300 grit points are excellent for sanding stage and removing the coarse grinding scratches and chips. They prepare the workpiece well for pre polish stage. For use with motor tools, drills, and flex shafts. Made In: China Head Size: Assorted Head Shapes Include Sphere, Cylinder, Flame, wheel, inverted cone, etc. Shaft Diameter: 1 8" (3mm) shank Overall Length: 45mm Case Size: 11cm x 10cm x 5.