This micrometer is made of hardened steel for precision and durability. Its range is 0-25 MM and it has a precision rotary scale with a resolution of 0.01 MM, a ratchet thimble, and a locking lever. Instructions are included. Shipping weight: 9.5 Oz., dimensions: 6" x 4" x 1.5". Additional Info: deluxe micrometer Package Size(L x W x H): 6 X 4 X 1.5 (IN) Categories: Measurement , Micrometers HTS Code: 9017.30.4000 UNSPSC: 4.11116e+007 Country Of Origin: CHINA