The palm can hold and turn more easily, saving power and the drill bit is harder to break. and portable: The adjustable pin vise is a hand tool, not a power tool, and portable. Short handle non-slip design: The short handle shortens the overall length, making it easier to hold with your whole hand. Specially designed non-slip handle for comfortable grip. Hardened steel chuck: Accurate, efficient, can hold the drill tightly, hand drill can hold fine drill bits tightly., Manufacturer: Akfldms