The VS311.02 replacement inserts feature M10 thread size with 1mm pitch, suitable for medium-sized diesel engine glow plug applications. These inserts are specifically designed for use with the Sealey Model No. VS311 thread repair kit, providing professional-grade thread restoration for vehicles requiring M10 x 1mm glow plug thread specifications. Supplied in a convenient pack of 5, these inserts are perfect for workshops handling a variety of diesel engine repairs. The M10 size accommodates many popular diesel engine models, whilst the 1mm pitch delivers fine thread engagement for secure glow plug retention and optimal sealing performance. Features and Benefits:M10 thread size with 1mm pitch for medium diesel engine applicationsCompatible with Sealey VS311 thread repair kitPack of 5 inserts for multiple repairs or sparesPrecision-engineered for reliable thread restorationSuitable for many common diesel engine modelsEnsures proper glow plug installation and performanc