The 6 In. digital caliper has large easy-read digital LCD display and measurements read in millimeters, inch-decimal and inch-fraction and zero button to set display to 0.000 at any position. It also included a hard case. Large easy-read digital LCD display Measurements read in millimeters, inch-decimal, inch-fraction, and zero button to set display to 0.000 at any position Hard-case included Scale in tenths of an inch up to 6-in and millimeters with thumb wheel and locking knob to set and lock the scale at any desired measurement Resolution reads to 0.0005-in and 0.01mm and 1/128-in in fraction mode Working range 0 to 6-in and 0 to 150mm Series Name: Calipers Type: Digital Maximum Extended Length (Inches): 6 Auto-Off Feature: Yes Case Included: Yes Warranty: None CA Residents: Prop 65 Warning(s): No UNSPSC: 41111600