• Compact and precise: measures from 0 to 150 mm with an accuracy of +/- 0.5 mm, ideal for quick measurements at home. • High quality: made of high-quality steel, durable and resistant to mechanical damage and cracks. Includes a plastic case to protect it from dust and moisture. • Locking screw: ensures precise measurements to the millimeter, avoiding common errors when measuring with a tape measure. • Precision gauge: allows precise readings up to 0.5 mm. Avoid applying excessive pressure to the jaws to obtain exact measurements. • Universal use: perfect for measuring nuts, bolts, wedding rings, and more. Ideal for hobbyists and professionals in the metal, wood, and jewelry industries. • Easy to use: the sharp edge facilitates placement on the objects to be measured. The scale is clear and easy to read. • Adjustable: the degree of jaw looseness can be easily adjusted with the rotary button, allowing precise comparisons between elements. • Technical specifications: measurement range from 0 to 150 mm, depth measurement error scale of +1 mm, weight of 150 g, dimensions of 23.3 cm wide, 7.5 cm high, and 0.3 cm long.