LTWFITTING Bar Production Stainless Steel 316 Barb Splicer Mender 1/2" Hose ID x 3/8" Hose ID Fitting Air Water Fuel Boat (Pack of 5) Type: Barb Hose Splicer / Mender Hose ID: 1/2", Hose ID: 3/8" Materies:Stainless Steel 316 Net Weight: 17.25g/pc Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.