This valve seat cutter and boring Cutters are almost standard equipment in any machine shop that services four-stroke engines – whether the work is small engine repair, automotive high performance, routine motorcycle maintenance, or heavy duty engine rebuilding. It’s extremely easy to use, is accurate enough to be the tool of choice for high performance engine work, and it doesn’t require a huge investment. Applicable models: mini cars, cars, vans, pickups, light buses, light trucks, trucks, heavy trucks, construction machinery vehicles, agricultural vehicles. Type:Valve Seat Model:Single Plane Color:Green Material:Metal Number of pieces: 28 Suitable for: Diameter 22-63mm valve Cutter Blade Angle: 15°, 30°, 45°, 55°, 60°, 75°, 90° Tool bar diameter: 5MM, 5.5MM, 6MM, 7MM, 8MM, 9MM, 9.5MM, 10MM, 10.5MM, 11MM, 12MM Weight: 2.5KG. 14 x Cutter Blades. 11 x Cutter arbors.