Features Made of high quality cemented carbide and cast iron, these outer micrometers are sturdy and durable This is a set of external micrometers with a measuring range between 0 and 100 mm Four micrometers of different sizes and 4pcs accessories, enough to meet your basic needs Widely used for accurate measurement of length, diameter or thickness It comes with a sturdy wooden case for quick access and protection Specifications: Material: cemented carbide + cast iron. Measuring range: 0-100mm Accuracy: 0.01 mm Unit: mm Four sizes of micrometers: 0-25mm, 25-50mm, 50-75mm, 75-100mm Three sizes of accessories: 75mm, 50mm, 25mm Package size: approx. 37.5 x 22.5 x 3 cm/14.76 x 8.86 x 1.18 inches. Weight: 1700 g (approx.) Features: This is a set of external micrometers with a measuring range between 0 and 100 mm. Made of high quality cemented carbide and cast iron, these external micrometers are sturdy and durable. Four micrometers of different sizes and 4pcs accessories, enough to meet your basic needs. Widely used for accurate measurement of length, diameter or thickness. It comes with a sturdy wooden case for quick access and protection. Package includes: 4 x external micrometers 3 x accessories. 1 x key. Note: 1.Only the package of things included, no other things.2.Please note that the new type and old type of this product will be sent randomly, and make sure you do not mind before ordering Package List