Feature:1. 360 Degree Rotating Jaw Design: The innovative 360 degree rotating jaw design of the light steel keel pliers bit allows for easy multi angle hole punching in building keels. This flexibility ensures precise and efficient results regardless of the angle, making it an essential tool for complex construction tasks.2. No Rivet Operating: Designed as a no rivet hole punch head, this keel riveting pliers bit uses adaptable power from compatible electric drills to control punching pressure based on material thickness. The tool works seamlessly to penetrate various construction elements, recommending a stroke setting of 25-26 for optimal performance.3. Rugged CrV Alloy Steel: Crafted from excellent CrV alloy steel, the electric stud riveting pliers bit offers excellent durability and strength. Its robust construction ensures long lasting performance, even under frequent and rigorous use, suitable for both professional and handcraft projects.4. High Hardness Alloy Steel Punch Pins: Featuring high hardness alloy steel punch pins, the electric partition riveting pliers bit is designed for high efficiency and minimal wear. Its incisive cutting edges promotes slick, effortless punching, significantly reducing time and effort.5. Standardized Compatibility: With a drill chuck size requirement of 6.4mm (1/4in), this wall stud punching pliers bit is made to fit standard drill chucks, ensuring broad device compatibility. This adaptability facilitates quick integration into existing toolsets, increasing its utility and convenience.Specification:Item Type: Light Steel Keel Pliers BitMaterial: CrV Alloy Steel.Package List:1 x Light Steel Keel Pliers Bit