The Promat internal caliper screw is a precise length measuring tool designed for a variety of applications in metalworking and mechanical engineering. With a measuring range of 50 to 75 mm, this tool allows for accurate internal measurements. The hardened spindle and hardened measuring surfaces ensure high durability and accuracy, while the matte chrome finish provides additional protection. The integrated feel ratchet allows for easy handling and precise readings, accurate to 0.01 mm. The adjustment ring up to a measuring range of 50 mm facilitates the adjustment and use of the tool. Therefore, the internal caliper screw is an indispensable aid for professionals who value precision and quality.

• Hardened spindle and measuring surfaces for increased durability
• Matte chrome finish for additional protection
• Adjustment ring up to 50 mm for easy handling
• Precise readings accurate to 0.01 mm.