Features and Benefits:�4-3/4 in. /120 mm capacity by 1/16 in. /1/10 mm�7-1/8 in. long steel body�Friction stop roller and thumb screw lockout�3 way measuring - inside, outside, depthThis fractional scale vernier caliper is graduated in 16 in. and millimeters. (1/10 mm) easy to glide roller with friction stop. This economical steel vernier caliper has a 5-in. Capacity with 3 ways measuring inside, outside and depth.