This fractional scale vernier caliper is graduated in 1/16 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-way measuring inside, outside and depth. 4-3/4 in. /120 mm capacity by 1/16 in. /1/10 mm1 year limited warranty7-1/8 in. long steel bodyFriction stop roller and thumb screw lockout3 way measuring - inside