General description Sealey T-Bar & Rubber Insert Spark Plug Socket Set is a versatile 4-piece tool set designed for ease of use and efficiency. It features a comfort grip T-handle and a 3/8" square drive, making it suitable for various spark plug applications. The set includes a unique 2-in-1 wobble and rigid bar, allowing for flexible maneuverability and secure fastening. Technical specifications Model No.: AK6550 Includes: 14mm Bi-hex, 16mm and 21mm 6-point Chrome Vanadium spark plug sockets with rubber inserts Drive Size: 3/8" Sq Other information