expert quality, sockets forged from chrome vanadium steel hardened, tempered, chrome plated & polished for corrosion protection. fitted with rubber insert for spark plug insulator protection & retention. display packed. Weight: 0.44kg. Contents. 1 x plug size 10mm 65mm long. 1 x plug size 12mm 65mm long. 1 x plug size 14mm 65mm long.