4AN-6AN-8AN-10AN Nylon Braided PTFE Fuel Line 10FT-30FT with 20 Fitting Hose Kit

8AN Size ID: 13/32". 10AN Size ID: 1/2". 6AN Size ID: 5/16". Note :Due to the special material of PTFE hose, it cannot be installed on ordinary joints and can only be compatible with PTFE joints, otherwise there will be size differences!