--5 different sizes\n--Simply cut sections required with a fine toothed saw\n--Can form two or more adaptors\n--External diameters: 25, 50, 63, 75 and 100mm\nA stepped ABS hose adaptor with 5 different sizes that can form perhaps 2 or more adaptors. Simply cut the section you require with a fine toothed saw. Diameters are 25mm, 50mm, 63mm, 75mm and 100mm (sizes stated are outside diameter). Weight: 0.3747858454 pounds, Manufacturer: Axminster Workshop