Earl's 170209 Polished Aluminum 9/16" Line Clamps - Set of 3 Designed for 9/16" O.D. and -6AN Perform-O-Flex, Auto-Flex or -8 Speed-Flex 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