The Draper 4 Piece 3/8" Drive Glow Plug Socket Set is a specialist tool kit designed for the removal and replacement of glow plugs on diesel engines. This comprehensive set covers the most common glow plug sizes found in light commercial vehicles, passenger cars and agricultural equipment. Each socket features an integrated universal joint that provides the flexibility needed to access awkwardly positioned glow plugs in cramped engine bays. Manufactured from chrome vanadium steel, the sockets offer excellent durability and resistance to wear under repeated use. The satin polished finish provides corrosion protection, helping to maintain tool performance in workshop environments. The set includes three glow plug sockets covering 8mm, 10mm and 12mm sizes, alongside a 75mm extension bar for improved reach and leverage. All components are supplied in a sturdy plastic storage case that keeps the tools organised and protected between jobs, making this set ideal for mobile mechanics and workshop technicians working on diesel engine maintenance and repair. Features and Benefits: • Universal joint design allows flexible access to difficult glow plug positions • Chrome vanadium steel construction ensures long-term durability • Satin polished finish protects against corrosion • Covers popular 8mm, 10mm and 12mm glow plug sizes • Includes 75mm extension bar for improved accessibility • Supplied in protective storage case for organised tool management Contents: 3 x glow plug sockets - 8, 10, 12mm 1 x 75mm extension bar