Model:Health Gearcz08ynks5g Package Dimensions:15 x 9 x 6 cm Special Features:Rust Resistant Features THREAD REPAIR TOOLS: Professional spark plug thread repair tools, including 10pcs M12 x 1.25 thread inserts and a M14 x 1.25 thread tap. STANDARD SIZES: These repair tools have standard thread sizes, suitable for repairing spark plugs with 14mm x 1.25mm threads. STAINLESS STEEL INSERTS: These threaded inserts are made of stainless steel, with galvanized treatment, corrosion resistant and durable. HIGH SPEED STEEL TAP: The threaded tap is made of high speed steel, which has high hardness and high heat resistance. APPLICABLE MACHINES: Efficient and labor saving, especially suitable for gasoline engines, generators, diesel engines and other machines. Specification Item Type: Spark Plug Thread Repair Tools Thread Insert Size: M12 x 1.25 (thread diameter x pitch) Thread Insert Length: Approx. 17.5mm / 0.7in Thread Insert Material: Stainless Steel Thread Insert Process: Galvanized Tap Size: M14 x 1.25 (thread diameter x pitch) Tap Shank Diameter: Approx. 9mm / 0.4in Tap Full Length: Approx. 90mm / 3.5in Tap Blade Length: Approx. 31.8mm / 1.3in Tap Material: High Speed Steel Package List 10 x M12x1.25 Inserts 1 x M14x1.25 Tap [Package Contents]: Professional spark plug thread repair tools, including 10pcs M12 x 1.25 thread inserts and a M14 x 1.25 thread tap [Application]: Efficient and labor saving, the spark plug thread repair kit is especially suitable for gasoline engines, generators, diesel engines and other machines [Standard Thread]: These inserts and tap have standard thread, the general size is suitable for repairing 14mmx1.25mm spark plug [Stainless Steel Inserts]: The threaded tap is made of high speed steel, with galvanized treatment, which has high hardness and high heat resistance [Advantage]: The spark plug repair kit is simple to operate and easy to use. Its small size, easy to carry and store, bring you more convenience See more product details [Package Contents]: Professional spark plug thread repair tools, including 10pcs M12 x 1.25 thread inserts and a M14 x 1.25 thread tap [Application]: Efficient and labor saving, the spark plug thread repair kit is especially suitable for gasoline engines, generators, diesel engines and other machines [Standard Thread]: These inserts and tap have standard thread, the general size is suitable for repairing 14mmx1.25mm spark plug [Stainless Steel Inserts]: The threaded tap is made of high speed steel, with galvanized treatment, which has high hardness and high heat resistance [Advantage]: The spark plug repair kit is simple to operate and easy to use. Its small size, easy to carry and store, bring you more convenience