Busch Fig. 415 Bur Knife Edge 1.0mm - 3.5mm Sharpening Stones pre-set Stage Single stage Construction

pre-set Stage Single stage Construction Rear entry

#6 X-Fine — higher number indicates finer cut

5x auxiliary lens for extended working distance

Zero shrinkage for accurate

5 mm Sold individually 144-140 14

Busch Fig. 415 Bur Knife Edge 1.0mm - 3.5mm Sharpening Stones pre-set Stage Single stage ConstructionBusch Fig. 415 knife edge wheel burs are precision engineered for stone setting and fine metalwork. With a 55 cutting angle, they create narrow, controlled cuts in precious metals, delivering crisp seats and clean definition where accuracy matters most. Available in 24 sizes from 1. 00 mm to 3. 50 mm, these burs are sold in multiples of six one unit equals one 6 pack. Features Fig. 415 knife edge (lens) profile for narrow, precise cuts 55 cutting