Used with newer fuel line diameter. Fits Force 40HP and larger (1993 and Newer), Force 9.9/15/25HP. (1998) and all Mercury/Mariner outboards using clip on type disconnect at engine ends and 5/16″ I.D (8 mm) fuel line. Priced individually, sold in multiples of 2. Quicksilver branded, clamshell package point of sale packaged.