Set of 4 telescopic ball-bearing calipers (3-13 mm) for measuring small holes, slots and grooves

Use: For measuring small holes, slots, and grooves, used with micrometers or calipers, with knurled locking mechanism. Specifications: Item Type: Hole Gauge Material: Steel Measuring Range: Approx. 3-13 mm / 0.12-0.51 inch Product Specifications: 1 x 2/5 inch to 1/2 inch (10-13 mm), 1 x 3/10 inch to 2/5 inch (7.5-10 mm), 1 x 1/5 inch to 3/10 inch (5-7.5 mm), 1 x 1/8 inch to 1/5 inch (3-5 mm) Package List: 4 x Hole Gauges 1 x Packaging Bag 1. Heat-Treated Steel --- The material is heat-treated, which has the advantage of not rusting and has a long service life. 2. Accurate Measurement: The telescopic gauge can be used with a micrometer or calipers. 3. Wide Application --- The hole gauge is widely used for measuring small holes, slots, and grooves. 4. Various Sizes --- Four telescopic hole gauges in different sizes can meet your measuring needs. 5. Measuring Range 3-13 mm The measuring range is 3 to 13 mm; the hole gauge is telescopic, making it a convenient and easy-to-use tool.