- Experience efficiency with our double-action rigid handle, designed for quick and accurate measurement of holes, slots, and recesses up to 6 inches deep. - The contact ends are made of head-treated stainless steel, precision ground to a radius. This design ensures proper clearance for the smallest holes your gauge can measure. - Enjoy consistent performance with constant spring tension, providing uniform contact pressure for reliable results every time. - The handles are securely attached to the contact plungers, featuring an automatic self-centering mechanism that simplifies the measuring process. - Finished with a durable nickel plating for enhanced resistance and longevity. Practical use scenarios: - Perfect for machinists and fabricators who require precise measurements during quality control and inspection processes. - Ideal for carpenters and woodworkers needing to assess depths of drilled holes or milled slots for accurate fitting of components. - A valuable tool for automotive technicians checking the depth of engine components or ensuring proper fittings in mechanical assemblies. This tool combines robustness and precision, making it an essential addition to any professional toolkit.