The Sealey VS1825 Valve Seat Cutter Set with tungsten carbide cutting blades The Sealey VS1825 is a 14 piece set of Valve Seat Cutters suitable for re-cutting inlet/exhaust valve seats concentric to the valve guides. The set features tungsten carbide cutting blades, expandable pilots and double end cutters for increased application. Features: Suitable for re-cutting inlet/exhaust valve seats concentric to the valve guides Features tungsten carbide cutting blades, expandable pilots and double end cutters for increased application Comes With: Carry- Case Cutters: ∅28-37mm 45° & 75° ∅37-46mm 45° & 60° ∅52mm 75° & ∅65mm 60° ∅46mm 45° & ∅60mm 30° ∅28-37mm 30° & ∅37-44mm 75° ∅37-46mm 30° & ∅44-52mm 75° Specification: Model No: VS1825 Pilot Range: 5.5, 7-13mm