Features: 1.Material:Made of lightweight 6061-T6 billet aluminum. 2.Size:AN12 (1-1/16x12 UNF) Female Thread to 3/4" Barb 3.Only fit for use with 3/4" ID Push-on Rubber Fuel Hose. 4.Compatible with all oils, fuels, coolants, E85, racing fuels and power steering fluids. 5.Note:Does not work with stainless steel braided hose, nylon braided hose or PTFE hose. Package Included: 12AN Black Aluminium Straight Hose Fittings*2 .