STAINLESS STEEL INSERTS: Crafted from high-quality stainless steel and featuring a galvanized treatment, these thread inserts offer exceptional resistance to wear and . This durability ensures long-lasting repairs, helping you maintain your vehicle's performance without frequent replacements. SUPERIOR HIGH SPEED STEEL TAP: Manufactured from high-speed steel, the included tap boasts hardness and heat resistance. This makes it an ideal choice for creating precise thread alignments in holes, ensuring reliable repairs for both professional mechanics and DIY enthusiasts. VERSATILE USE FOR VARIOUS MACHINES: Specifically designed to address the needs of gasoline engines, generators, and other machinery, this thread repair tool kit is a must-have for automotive repair shops and car enthusiasts. It provides an efficient and labor-saving solution for engine thread issues. STANDARD SIZES & EASY APPLICATION: This thread repair kit is essential for anyone dealing with stripped threads. It includes standard M12x1.25 and M14x1.25 sizes, making it compatible with most automotive spark plugs. The kit ensures a straightforward application, saving you both time and effort in engine maintenance. COMPLETE THREAD REPAIR SOLUTION: This professional kit includes 10 pieces of M12x1.25 thread inserts and a M14x1.25 thread tap, offering a comprehensive solution for repairing damaged threads. It's designed to restore thread integrity and smooth engine operation., Manufacturer: Akfldms