Packaging: Individual Plastic Tube or Plastic Hang Bag. Description: 1) Carbide Tipped cutting edge can be used where Metric Sizes (mm):Diameter: 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 30, 32, 34, 35, 36, 38, 40mmOverall Length: 100mm, 125mm, 155mm, 200mm, 230mm, 250mm, 300mm, 400mm, 460mm, 500mm, 600mm, 650mmFractional Sizes (Inch):Diameter: 1/2", 9/16", 5/8", 11/16", 3/4", ...