Fast and effective remedy for damage to cylinder head glow plug threads. Set includes tools for the precise insertion of threaded inserts into the head and features a unique tap guide system to ensure their correct alignment. Includes four sizes of threaded adaptors suitable for common sizes of glow plug. Supplied in storage case. Features & Benefits: • Fast and effective remedy for damage to cylinder head glow plug threads. • Set includes tools for the precise insertion of threaded inserts into the head and features a unique tap guide system to ensure their correct alignment. • Includes four sizes of threaded adaptors suitable for common sizes of glow plug. • Supplied in storage case. • Model No. VS311 Specifications: Model No VS311 Brand: Sealey Consumable Parts: VS311.01 - M8 x 1mm (Pack of 5), VS311.02 - M10 x 1mm (Pack of 5), VS311.03 - M10 x 1.25mm (Pack of 5), VS311.04 - M12 x 1.25mm (Pack of 5) Inserts: M8 x 1mm, M10 x 1mm, M10 x 1.25mm, M12 x 1.25mm Nett Weight: 0.72kg Tap: M8 x 1mm, M10 x 1mm, M10 x 1.25mm, M12 x 1mm, M12 x 1.25mm, M14 x 1.25mm