Generic Brass Barb Splicer Mender 5mm Hose ID Fitting Air Water Fuel Boat (Pack of 5) Package Include: 5pcs. Materies: brass BSP. Type: Barb Hose Splicer / Mender. Hose ID: 5mm Pay attention to the column of size and color, you could find a variety of product types and quantities for your choice. The more your purchase the best price you get.