- Double action handles are securely attached to the plungers, ensuring automatic self-centering for precise measurements every time. - Quickly check holes, slots, and recesses up to 6 inches deep, streamlining your inspection process. - Both ends are made from head-treated steel and precision ground to a radius, allowing for optimal clearance in the smallest holes the gauge can enter. - Constant spring tension ensures uniform pressure, providing consistent and accurate readings. Key Benefits: - Eliminate guesswork with self-centering handles for accurate measurements. - Ideal for a variety of applications, including carpentry, metalworking, and quality control, making it a versatile tool for professionals and DIY enthusiasts alike. - Durable construction with head-treated steel guarantees long-lasting performance and reliability. Applications: - Use in woodworking to check depth and alignment of joints. - Perfect for metal fabrication when measuring recesses and slots. - Essential for quality control inspections in manufacturing to ensure specifications are met.