... beam, chipboard and plywood.7) European Style and American StyleMetric Sizes (mm):Diameter: 6, 8, 10, 11, 12, 13, 14, 15 ... , 28, 30, 32, 34, 35, 36, 38, 40mmOverall Length: 100mm, 125mm, 155mm, 200mm, 230mm, 250mm, 300mm, 400mm, 460mm, 500mm, 600mm, 650mmFractional Sizes (Inch ...