3M Unitized Satin Finish Wheels 4" x 1" Grade:2A Medium Black These oval 6-prong die struck

These oval 6-prong die struck settings offer professional-grade construction in both 14K yellow and 14K white gold

Corners up to 12 x 12 mm notched in a single operation

these slim-profile files are narrower than standard half-round files

At 4 inches long

3M Unitized Satin Finish Wheels 4" x 1" Grade:2A Medium Black These oval 6-prong die struckThe 3M Unitized Satin Finish Wheel delivers high performance and durability for deburring and finishing applications on metal and other surfaces. Built with a layered unitized wheel construction, these wheels maintain consistent cut and finish throughout their entire working lifeunlike conventional abrasive wheels that change character as they wear. The abrasive mineral is aluminum oxide, making these wheels well suited for professional jewelers,