6" Internal Caliper Spring Loaded External Caliper, HH-SS11

Precise Inside Diameter Measurement with Large Jaw Opening This 6" internal caliper features forged steel legs and a relatively large jaw opening, designed for precise inside diameter measurement and transfer of measurements to a ruler. Hardened Tip and Quick-Adjust Mechanism for Efficiency Its hardened tip ensures precise marking on the workpiece, and the quick-adjust self-seating nut and screw design increases efficiency. Stable Measurement with Tempered Spring and Fulcrum Design The tempered spring and fulcrum structure ensure even tension and no lateral play during use, making measurements more stable. Meets GGG-C-95 Standard for Professional Use The hardened measuring face that meets government specification GGG-C-95 is suitable for use with precision rulers, making it an ideal measuring tool in metalworking and woodworking.