This precision measuring tool is made of hardened steel for long-term durability. It has a range of 0 to 150 millimeters and a large, easy-to-read dial with a resolution of 0.02 millimeters. A storage case and instructions are included. Shipping Details Shipping Type: parcel Free Shipping: true Specifications Maximum Age: None Maximum Grade Level: None Allergens: Contains No Allergens Certifications: Not Applicable Grade Level: Grades 5-12 SUOM Description: Each Brand Name: United Scientific Description: Caliper