Valve seat cutter set with carbide (DIN-HG30, ISO-K30) adjustable knives for repair car engines ø18-38. The regulation allows the use of knives countersink in the repair of all vehicles. Valve sizes range from 18mm to 38mm. Head diameter 31.3 mm. Head working degree 15, 30, 45, 60. Valve expandable guide pilots 6mm, 7mm, 8mm. Valve […]