The Tecwerk internal measuring screw set is a precise measuring instrument specifically designed for the internal measurement of diameters. This set includes two measuring screws manufactured according to the DIN 863 standard, covering a measurement range of 12 to 20 mm. The three-point design allows for accurate and reliable measurements, while the ratchet mechanism ensures easy handling. The scales and sleeves are matte chrome-plated, which not only provides an appealing look but also increases the product's durability. The measuring surfaces are made of carbide, guaranteeing high wear resistance and precision. With the included setting rings, the measuring screw can be optimally adjusted for each application. This tool is ideal for professionals who value accuracy and quality.

• Three-point measurement for precise results
• Ratchet mechanism for easy handling
• Matte chrome-plated scales and sleeves for durability
• Carbide measuring surfaces for high wear resistance.