【Strong Magnetic】This set of 10 extension bit holder strong permanent magnets, ensuring a secures fit for your drill. more worries about dropping tool while working! 【Superior Material】Made of quality steel, these extension bit holder is wear resistant and hardto break. The smooth coating prevents damage during use, making suitable for various tasks. 【Wide Applications】With 1/4'' hexshank, these magnetic extension bit holder is suitable for various chucks and tool. perfect for repair enthusiasts, homeowners, and those who need efficient tool. 【Efficient Usage】Designed for tight space, this set of extension bit holder is a great addition to your toolboxes. Whether you're working on repairs, installations, and assembly tasks, these bit holder will make your job easy. 【Convenient Set】This set includes 10 extension bit holder, providing you with for different work.