Versatile 3-piece spring steel extension set. Includes three extension bars in sizes 1/2 in, 1/4 in, and 3/8 in to cover a range of tasks. Easy access in tight spaces. The extension holder reaches areas that are difficult for ordinary screwdrivers, providing convenient access and operation where space is restricted. Secure connection. The head features a locking mechanism and a magnetic element to prevent detachment, delivering a tight, reliable fit and reducing the risk of dropped fittings. Durable construction. Made from high-quality spring steel with high hardness, bendability, and durability for long-lasting performance. Typical applications: - Automotive maintenance and repair, reaching screws in engine bays or behind components. - Electronics, computer builds, and appliance repair where fasteners are inside confined housings. - Furniture assembly or cabinetry in tight corners and narrow spaces.