LTWFITTING Brass Fitting Coupler 5/16" Hose Barb x 1/4" Female NPT Fuel Water Boat(Pack of 5) Type: FeMale X hose Barb Hose ID: 5/16" Thread:1/4" NPT Female Materies: BRASS Net Weigh : 18.5 g/pc Choosing products dimensions and quantities at column of size and colour seperately,price would be more favorable if choosing wholesale.