Tackle those weird U-shaped (spanner) screws with this handy 5-piece bit set from uxcell. It includes the five most common sizes: U4, U5, U6, U7, and U8. Each bit has a standard 1/4-inch hex shank, so they'll fit right into any cordless drill, impact driver, or manual screwdriver with a magnetic bit holder. They're made from tough S2 alloy steel with a blued finish for durability and corrosion resistance. The magnetic tip is super handy for holding screws in place, making one-handed work much easier. At 65mm (about 2.5 inches) long, they give you good reach. This set is perfect as a replacement for lost or worn-out bits, or to add to your toolkit for furniture assembly, electronics repair, or any project that uses these less-common fasteners. Keep a set in your toolbox and never be stuck without the right bit again!