Mitutoyo: 531-128 6" x 150mm Venie Calipe This vernier caliper with thumb clamp only moves when you depress the spring-loaded thumb grip. 14 vernier face angle. Incorporates Quadri feature. MPN: 531-128 EAN: 4946368110561 531-128 6" x 150mm Venie Calipe Attributes: Accuracy: +/-0.03mm Additional Features: can Measure Outside and Inside Diameter (od and Id), Depth, and Steps The Slider Moves only When the Spring-loaded Thumb Grip is Depressed Graduation: 0.02mm MFR Part No.: 531-128 Material: Stainless Steel Measurement Range: 0 - 150mm Measures: Internal External System of Measurement: Metric Imperial Weight Each: 142g