Durable chrome vanadium steel construction for strength and durability. Polished and chrome plated finish. For servicing inverted E-series fasteners. Applications include: electrical switches on GM, domestic vehicle air bags, V6 and V8 engine camshaft adjustment solenoids, specially engine and exhaust pipe flange studs, many European vehicles. Sizes include: E4, E5, E6, E7, E8, E10, E11. Includes socket storage rail. Product Features:Durable chrome vanadium steel construction for strength and durabilityPolished chrome plated finishFor servicing inverted E-series fastenersApplications include: electrical switches on GM, domestic vehicle air bags, V6 and V8 engine camshaft adjustment solenoids, specially engine and exhaust pipe flange studs, many European vehiclesSizes include: E4, E5, E6, E7, E8, E10, E11, Includes socket storage rail