In automobile and vehicle engines, when some wires are best left connected, split sockets for glow plugs are an absolute necessity. This handy set of 18 provides 3 split sockets with everything manufactured from chrome vanadium for guaranteed toughness and durability in harsh environments and workshops. Features and Benefits The set comes with 3 split sockets for glow plugs where wires are best left connected A M10 deep socket is supplied with the kit with a snap ring to guarantee that glow plugs do not fall out of the socket making fitting, making removal much more efficient for the user 5 PSG plastic anti-static protection caps and one 12mm single Hex deep 3/8" drive socket with snap ring for a tightened and secure fixing 8, 9 and 10mm deep sockets equipped with 3/8"D & U/J's (72mm long); plus 8, 9 & 10mm deep sockets equipped with 1/4"D with U/J's (60mm long) A set of 3 split sockets for glow plugs where the wires are best left connected as with some Alfa Romeo, Fiat and G