in world of automotive rethreading, having right tools is crucial. this 7pcs thread chaser metric thread restorer tool is a top - notch choice. thread in this are made from heat - treated carbon steel with a black finish. this finish not only gives tools a sleek look but also provides outstanding durability and corrosion resistance. comes in a storage case, which is a great feature. it keeps all tools organized and protected. you can easily find tool you need when you're working on a repair job. whether you're at a professional repair shop or doing some work at home, having an organized tool can save you a lot of time and frustration. thread restorer kit is designed with a square drive. this design allows for easy connection with ratchets, which is very useful when working in tight spaces. you can operate tools smoothly, even in areas where it's difficult to reach. this feature improves work efficiency and reduces amount of effort required from operator. wide variety of thread chaser sizes in this makes it suitable for a wide range of automotive thread repair applications. m10 x 1.00/m14 x 1.25 combination tool is ideal for spark plug repairs. it offers two sizes in one tool, which is very convenient. m12 x 1.25 and m18 x 1.5 tools are great for cleaning threads of common o2 sensor sizes. m14 x 1.25 limited access long - length tool is perfect for those hard - to - reach areas. and m20 x 1.5 and m22 x 1.5 tools are used for cleaning threads on and soot sensors. black color of product gives it a professional and industrial look. carbon steel material ensures that tools are strong and reliable. product has a depth of 9.17 in, a width of 5.49 in, and a height of 3.16 in, with a weight of 1.64 lb. package has same dimensions and weighs 1.77 lb. using this thread chaser is a pleasure. tools are well - made and easy to handle. they allow you to perform rethreading tasks with precision and ease. whether you're a professional mechanic or an automotive hobbyist, this will meet your needs and help you get job done right.if you're in market for a reliable thread repair solution for your automotive needs, look no further than this 7pcs thread chaser metric thread restorer tool. first thing that strikes you about this is quality of materials used. thread are made from heat - treated carbon steel with a black finish. this finish not only looks great but also offers excellent protection corrosion. comes in a well - designed and storage case. this case not only keeps tools organized but also protects them during storage and transportation. you can easily carry it around to your work area, whether it's a garage or a repair shop. thread restorer kit is engineered with a square drive, which is a game - changer. it allows for seamless connection with ratchets, enabling smooth operation even in most restricted spaces. this feature significantly enhances work efficiency, as you can easily access and work on threads that are hard to reach. it also reduces physical strain on operator, making job less tiring. wide range of thread chaser sizes in this is truly impressive. m10 x 1.00/m14 x 1.25 combination tool is a versatile option for spark plug repairs. it provides two different sizes in one tool, giving you more flexibility. m12 x 1.25 and m18 x 1.5 tools are specifically designed to clean threads for common o2 sensor sizes. for those hard - to - reach areas, m14 x 1.25 limited access long - length tool is a great addition. and m20 x 1.5 and m22 x 1.5 tools are perfect for cleaning threads on and soot sensors. black color of product gives it a modern and professional appearance. carbon steel material is known for its strength and toughness, ensuring that tools can handle demands of automotive rethreading. product has dimensions of 9.17 in in depth,