5 Pc. 1/2" Drive 12 Point Head Bolt Impact Socket Set Includes head bolt sockets for Nissan, Toyota, Honda, and Ford and GM cars and trucks. 4” length reaches past cam and rocker assembly to service head bolts. Thin profile sockets will reach thru the access hole and past overhead camshaft. Additional high torque applications include removal and installation of driveline bolts on most vehicles. All Sunex impact sockets meet or exceed ASME specifications. Forged from high quality CR-MO Alloy steel for maximum durability 2625