The 12mm variant of the Draper 3/8" Drive Hexagon Spark Plug Socket is designed for mid-range spark plug applications, making it one of the most commonly used sizes in automotive workshop environments. This size suits many popular vehicle models and light commercial applications, making it an essential addition to any mechanic's toolkit. Featuring a 6-point deep socket design, it provides maximum contact area to prevent rounding and ensure safe spark plug removal. The chrome vanadium steel construction is hardened and tempered for outstanding durability, then chrome plated and polished to resist corrosion. The protective rubber insert cushions the spark plug during installation and removal whilst keeping it securely retained. With its 65mm length and knurled grip ring, this socket offers both reach and control for professional results. Features and Benefits:12mm size for common automotive spark plug applications6-point deep socket for optimal gripRubber insert for plug protect