Introducing our Professional Double-Single Head Screwdriver Bit, designed for precision and efficiency in every task. Featuring a high magnetic Torx Dia4 HEX DRIVE, this double-end bit is engineered to tackle tough screws with ease. Crafted with a strong magnetic force, it securely holds screws in place, preventing slips and drops for seamless operation. Whether you’re a professional tradesperson or a DIY enthusiast, this bit is your go-to tool for precision screwdriving. Upgrade your toolkit with our Professional Double-Single Head Screwdriver Bit and experience the convenience and reliability of high-quality craftsmanship.