SUERCUP is a professional hardware product R&D and tool manufacturer. Our products has undergone 1000 tests and rigorous audits to ensure quality and accuracy. We have the most professional and the most rigorous production technology team. Our team constantly updates and tries to design products that better meet market demand, allowing you to purchase the most cost-effective tools. We have prepared 3 in 1 toolbox: including torque wrenches for 1/4 inch 20-240in.lb, 3/8 inch 5-45ft.lb, 1/2 inch 10-170ft.lb and extension bar*3， which can satisfy you in bicycle, motorcycle, car, truck and wheel screws, wheel nuts and in the device installation, electrical engineering, etc The pole of the wrench is black, and the laser printed scale gives it high contrast, making it clearer and simpler to read in daily work and use. And long term use will not cause any wear or clarity. The quick release design is convenient for you to quickly install or replace the required sleeve during use. The top button can be pressed and held by one hand for easy and fast operation, improving your efficiency during work. Stop applying force while hearing the click.When the desired torque value is reached, a "click" feedback sound will be emitted. The larger the set torque value, the louder the feedback sound. The designer designed an anti slip and labor-saving knurled handle, making it more comfortable and easy to grip during use. The tail plug adopts a red anodizing process to improve the oxidation resistance of the product during use. Our torque wrenches are packaged in high-quality and durable blow molded boxes, torque wrench*3, extension bar*3, accuracy report certificates*3, and user manuals. The blow molding box is lightweight and easy to carry, making it your best assistant when working outdoors.