Strong Aluminum Construction:Made from premium aluminum alloy, these AN tube fitting wrenches enhanced resistance to wear for long lasting use. Perfect for challenging situations like vehicle modifications or repairs involving heat and pressure. Fixed Size Accuracy: Features multiple fixed sizes to fit various tube fittings with strong holding capability up to 100Nm of rotational force, ensuring secure fastening. Great for automotive experts and hobbyists needing efficient and precise adjustments. Ergonomic & Easy to Use: Designed with a comfortable grip to reduce fatigue during extended use. This 6piece set is lightweight and portable for shop tasks, auto gatherings, or on the go repairs. Grip Design: Enhanced texture ensures better tool control, maintaining firm handling even in oily conditions. Provides consistent execution during maintenance or urgent repair jobs. Versatile Usage: Suitable for regular vehicle maintenance, commercial truck upgrades, and other automotive applications.