Features • Precision Measurement Tool: Achieve accurate measurements with our adjustable design, specifically crafted for small holes, slits, and grooves up to 3-1m in diameter • Manganese Steel Construction: Built from high-quality manganese steel, this gauge ensures longevity and reliability for all your measuring tasks • Easy Telescopic Functionality: Effortlly extend and retract the gauge, making it user-friendly and ideal for quick adjustments in various applications • Compatible with Micrometers and Calipers: This gauge can be seamlly used alongside micrometers and calipers, enhancing your measuring toolkit for greater precision • Versatile 4-Piece Set: Includes 4 different gauges to meet all your measurement needs, providing flexibility for a range of tasks in various fields 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