0.57" / 14.56mm. 0.66" / 16.9mm. 0.46" / 11.72mm. Length Option #1: 10FT (fuel hose with 10pcs fittings ). PTFE Hose End Fitting Features Braided Stainless Steel PTFE Fuel Hose Feature Made of high-quality PTFE on the inside and secured by 308 Stainless Steel outer braid.