9-Piece Magnetic Bit Holder Set, 1/4" Magnetic Bit Extension, Carbon Steel Bit Holder Extension for Electric, Manual, and Pneumatic Screwdrivers

Three Sizes: There are three extension shanks of varying lengths. They all have a universal 1/4" hex key (3x5cm, 3x10cm, 3x15cm) that fits most screwdrivers and power drills and can meet your many needs. Robust Hardened Steel Construction: Made of high-quality hardened steel, our extension shanks offer maximum durability and high-performance construction for a long service life. Features: The quick-change universal 1/4" hex shanks fit all 1/4" drills, impact drivers, and hand drivers, so you can take your bit extensions anywhere to perform any job, regardless of the type of drill or driver you have available. Compact Size for Travel: The small size allows you to take your bit extensions with you wherever you go to perform any job. Perfect for travel, it slips effortlessly into many tool kits. Widely used: the magnetic hex shank drill extension is suitable for electric and pneumatic screwdrivers, hand drills, and most electric drills and drill bits.