8 Pilots / Guides / Stems Sizes : 7mm, 8mm, 8.5mm, 9mm, 10mm, 5/16”, 7/16”, 11/32”. ~ All Pilots Are Soft And Centered at Both Ends, For Easy Reduction Of OD To Suit Your Requirements. These Valve seat Cutters are Made of high carbon steel, properly hardened and tempered, each cutter in accurately grade for best results. We are one of the renowned organizations to manufacture Carbide tipped valve seat cutters that are acclaimed widely for optimum performance for longer periods than high speed steel tools. These are made from the finest-grade of carbide that is procured from the leading vendors of the industry and are robustly designed. We use cutting-edge technologies to manufacture these tools that are available in a wide array as per the requirement of customers at leading industry pri.