Features Versatile 3-Piece Set: Includes 3 different specifications of extension bars (1/2in, 1/4in, 3/8in) to accommodate various automotive and home repair tasks Effortless Access: Designed to reach tight spaces that standard screwdrivers can't, simplifying your repair work with ease and efficiency Secure Attachment: Features a locking mechanism and magnetic device to ensure a tight connection, preventing the holder from falling off during use Durable Spring Steel Construction: Made from high-strength spring steel, this extension holder is both bendable and sturdy, providing long-lasting reliability for your projects Universal Compatibility: Works seamlessly with all electric drills and wrenches, making it ideal for car engine repairs and a variety of DIY applications Features: 1、3 Specification: This kit includes 3 different specifications of spring steel extension bar, respectively are 1/2in, 1/4in, 3/8in to meet the needs of different situations 2、Function: The extension holder can easily attach the narrow places that are difficult to attach by ordinary screwdrivers, easy to use 3、Tight Connection: The functional head is equipped with lock and magnetic device to ensure that the holder does not fall off 4、Spring Steel Connecting Rod: The extension holder is made of spring steel material, has high hardn, bendable and 5、Application: The flexible extension bar is suitable for all electric drills and wrenches, for car engine repair, etc. Specification: Item Type: Flexible Extension Bar Material: Spring steel External Treatment: Phosphate Black Specification: 1 x 1/4in 1 x 3/8in 1 x 1/2in Package List: 3 x Flexible Extension Bar Note: Pay attention to safety protection when using. Package List 3 x Flexible Extension Bar