Draper expert 12mm 38 square drive hi torq spark plug socket draper expert 27290 expert quality deep sockets with a rubber insert for plug protection and retention manufactured from chrome vanadium steel hardened tempered chrome plated and polished for corrosion protection socket length 65mm display packed draper expert hi torq174 is a registered trademark of draper tools ltd draper expert 27290 14mm 38 square drive hi torq spark plug socket