Features:This is a outside micrometer set with measuring range between 0 and 100mm.Made of high quality cemented carbide and cast iron, these outside micrometer are sturdy.Four different sizes micrometer and 4pcs accessories, enough to meet your basic need.Widely used for precise measurement of length, diameter or thickness.It comes with a sturdy wood case for quick access and protection.Specifications:Material: Cemented Carbide + Cast IronMeasuring Range: 0-100mmPrecision: 0.01mmUnit: mmFour Micrometer Sizes: 0-25mm, 25-50mm, 50-75mm, 75-100mmThree Accessories Sizes: 75mm, 50mm, 25mmBox Size: Approx. 37.5 x 23 x 3cm / 14.76 x 9.06 x 1.18inchWeight: 1700g(approx.)Package Included:4 x Outside Micrometer3 x Accessory1 x WrenchNote:1.Only things package included, no other stuff.2.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.