A dual-scale vernier caliper equipped with a fine-adjustment wheel and standard outside and inside jaws. Hardened stainless steel construction with easy-to-read, satin-chromed scales Fine Adjustment Vernier Caliper 0-280mm / 0-11" Mitutoyo 532-121 Features: Fine-adjustment aids slider positioning. Can measure outside and inside diameter (OD and ID), depth, and steps. Specifications: No. 532-121 Type Standard Range 0-280mm / 0-11" Graduation 0.02mm / .001" Accuracy ±0.04mm Depth bar Blade 532-121 Mitutoyo Vernier Caliper à¤Ã×èͧÁ×ÍÇÑ´¢¹Ò´ àÇÍÃìà¹ÕÂ