Flexible and solid: This flexible drill bits are tightly wrapped with a tightly winding steel spring, which allows you to maintain a good rotating torque and reach an embarrassing angle of 45°. Make your installation more flexible, comfortable and efficient. Elastic design: The spherical reality locks loaded by the spring to prevent parts from sliding into the machine, the square drive radius angle reduces the wear of the tool and sleeve. A variety of sizes are available: this flexible sleeve jet length is connected with three drivers-1/4 (6.35mm) drive, 6 inches long, 3/8 (10mm) driver, 8 inches long, 1/2 2, 1/2 2 (12.5mm) drive, 10 inches long. It provides the maximum multifunctional nature, a perfect supplement to any toolbox. : Made of heavy spring steel, a PVC sleeve, chromium anvil and mirror chromium jewelry to durability and life. Easy to approach: The operator rely on the flexible extension rod to quickly release the bolt and nuts from the unsuitable angle and the difficult