Two sizes - special tips for easy fit. Use 3/8" size for 2003 and later Ford V8 Explorer, 2004 and later Ford F150 and Cadillac CS. Use 1/2" size for Ford Super Duty Trucks, F250, F350 and F450 Tip is specially stepped to fit connector. Simply push the line toward the connector, then engage tool and pull line from connector. Set comes skin packed with a bead chain.