Application: Alfa Romeo 147, 156, 159, GT, Spider, Brera; Fiat Bravo,Stilo; Vauxhall/Opel Astra, Signum, Vectra-C, Zafira; Saab 93, 95. Sizes: 8, 9, 10mm. These sockets have a lateral slot to go round the cable attached to the glow plug. Removes the need to remove the wires from the glow plug. Manufactured from chrome vanadium.