SK 33302 2 Piece 3/8-Inch Drive 5/8-Inch and 11/16-Inch Swivel Spark Plug Socket Set Two swivel spark plug sockets with 3/8-inch drive SureGrip hex design drives the side of the fastener, not the corner; 30-degree flex angle improves access Rust-preventative coating resists corrosion; laser engraved every 120 degrees with large markings Packaged in a convenient tray Sockets measure 5/8-inch and 13/16-inch