The 4-Piece Magnetic Screwdriver Hexagon Bit Holder Extension Set includes four different lengths of hexagon screwdriver bit extensions that range from 2.36″ to 11.8″ in length. Heavy-duty construction and featuring a magnetic design for bit and screw retention. This set is perfect for automotive and hand tool applications. The long shaft design and magnetic properties make it versatile easy to secure bits while working on myriad of projects requiring multiple extension lengths. Reach those hard to reach places with the 12 inch long extension or perform normal operations with the shorter extensions. This set is a versatile addition to any automotive technician, wood worker or occasional DIY project. Add this affordable and versatile set to your toolbox today.