KS TOOLS' 1/4 CHROMEplus Preset Bit is your new best friend for easy, secure screwdriving. It's a chrome-plated, quarter-inch bit with a built-in ball-bearing detent to keep your bits from spinning loose. The hexagonal shape, following DIN and ISO standards, fits snugly in your screwdriver or drill. No more lost bits or stripped screws! Tough as nails, it's made from Chrom Vanadium for long-lasting use. It's like having an extra hand on the job.