Features: Flexible: Universal shaft extension can be bent to rotate a variety of angles and can be used in a variety of cracks and corners. Material: Made of chrome-plated steel, it makes the flexible drill set more durable and wear resistant. Applications: The flexible drill extension bit can be used for computer cases, electrical cabinets, furniture, electrical appliances and so on. Elastic: With super elastic and flexible bending, they can be immediately rebounded after deformation. Sizes: 1/4inch, 3/8inch and 1/2inch. 3 sizes can be used for your working needs. Specifications: Material: Crome-plated Steel Color: Silver Package Size: 25 * 5 * 3cm / 9.8 * 2 * 1.2in Package Weight: 545g / 1.2lb Package List: 3 * Flexible Extension Drill Bit