[Application] Our products have good compatibility and can be used in a variety of places. Suitable for installation drill, electric grinding, hanging grinder A lug wrench is used to turn flat nuts of limited thickness, etc. It is an ideal choice when the application requires many accessory changes [Material] The product is made of high quality 65Mn spring steel with good toughness and fatigue resistance, and it can maintain high stability after long-term use. [High precision and hardenability] High precision, accuracy up to 0.008mm, stable control. The hardenability is high, and under the condition of ensuring hardenability, it has high strength and toughness [High performance] The product has excellent workmanship and can maintain stable performance in harsh environment. The collet is made of high quality material, durable to use. Professional manufacturing, it has the characteristics of corrosion and durability, fine workmanship, high reliability, stable performance, high machining