This 30 piece diamond engraving bit set is perfect as it can be used with all mini rotary tools, Inc. various shapes,round,cone,taper,flame & cylinder. Excellent value accessory sets covering a wide range of activities & tasks
Diamond Engraving Bit Set
• Rotary tool accessories to fit all mini rotary tools
• Shaft diameter 3.2mm
• Includes various shapes, round, cone, taper, flame and cylinder for craft or security engraving on glass, metals, stone and plastics.