Product name: micrometer screw Material: metal Distance: 0-25mm Finish: 0.01 mm Size: 13.5 x 5.5 x 1.8 cm / 5.3 inchx 2.2 inch x 0.7 inch Color: as shown Net Weight: 201g Package Contents: 1 x micrometer screw 1 x plastic box Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.