Black oil hose is made from braided nylon that resists abrasion and corrosion; contains a secondary CPE style rubber liner with a nylon inner braidProFlex oil hose is constructed with a stainless steel outer band that resists abrasion and corrosion; contains a secondary CPE style rubber liner with a nylon inner braidVery flexible yet will not collapse under extreme heatUse with6 or8 full flow hose ends and adapter fittings; sold separatelyFittings and ends are constructed of lightweight black anodized aluminum or Endura which is a unique finish that simulates the appearance of stainless steelHose ends feature a 37° angled sealing surface for a positive anti-leak seal