Earl's 170205ERL Polished Aluminum 3/8" Line Clamps - Set of 4 Designed for 3/8" O.D. and Perform-O-Flex, Auto-Flex or Pro-Lite 350, -3AN hoses Made of 6061-T6 billet aluminum with a durable polished finish Separates, isolates and secures fuel, oil and brake lines Counter sunk Allen head screws Hose clamp securely holds one line