Features Precision Measurement Tool: Achieve accurate readings with our adjustable design, for measuring small holes, slits, and grooves effortlly Manganese Steel Construction: Crafted from high-quality manganese steel, this gauge ensures long-lasting performance and reliability in various applications Extensive Measuring Range: Features a telescopic design with a measuring range of 3-1m, making it versatile and easy to use for different measurement tasks Compatible With Micrometers & Calipers: Designed for seaml integration, this gauge can be used alongside micrometers and calipers for enhanced measurement capabilities Convenient 4-Piece Set: Comes as a set of 4, providing multiple gauges for various projects, ensuring you always have the right tool at hand for measurements Features: 1、100% and . 2、Made of material, and long service life. 3、The measuring range is 3-1m, it is telescopic and easy to use. 4、It can be used with a micrometer or caliper 5、Suitable for measurement of small holes, slits and grooves Specification: Features: 1. 100% and 2. Made of material, and long service life. 3. The measuring range is 3-1m, it is telescopic and easy to use. 4. It can be used with a micrometer or caliper 5. Suitable for measurement of small holes, slits and grooves Specification: Condition: 100% Material: Manganese Steel Measuring Range: 3-1m A Size:Approx. 3 * 76 * 5mm / 0.1 * 3 * 0.2in B Size:Approx. 5 * 79 * 5mm / 0.2 * 3.1 * 0.2in C Size:Approx. 7.5 * 88 * 5mm / 0.3 * 3.5 * 0.2in D Size:Approx. 10 * 92 * 5mm / 0.4 * 3.6 * 0.2in Model 2/5-1/2 Package List: 4 * Telescopic Gauge Package List