The Sealey VS1823 Valve Seat Cutter Set is suitable for re-cutting inlet/exhaust valve seats The Sealey VS1823 is a 10 Piece Valve Seat Cutter Set 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 Specification: Model No: VS1823 Pilot Range: 5.5, 7-10mm Cutter Sizes: ∅28-37mm 30°, ∅28-37mm 45° & 75°, ∅37-44mm 75°, ∅37-46mm 45° & 60°