22-63mm Dia. Valve Seat Single Plane Cutting Tools Universal Boring Cutter Valve Repair Tools Description: This product is the valve seat cutter and boring Cutters. Seat 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. We believe that our product has been so popular for one simple reason: it offers value. 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. Specification: 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: 3.5KG Include: 14 x Cutter Blade 11 x Cutter arbor 2 x Handle 1 x Lever