ITEM NAME:New Fractional Dial 6" Inch 150mm Carbon Fiber Vernier Caliper Micrometer 4 Way 100% brand new and high quality Functions:Inside measuring, Outside measuring, Step measuring, and Depth measuring High-quality plastic material, light weight and portable A large dial which allows easy reading at any length on the caliper Dial can be turned to adjust caliper to “zero reading†Minimum scale to read: 0.1mm An ideal tool to be used in factory, medical office, carpentry shop etc Measurement range: 0~150mm (0~6'') Accuracy:  ±0.2mm (0.01'') Graduation: 0.1 mm Resolution: 0.01", 1/64" Operating temperature: 5~40  °C Humidity influence: not important in 0%~80% of relative humidity Size (L*W*H): 22.6*7.7*1.5 cm/ 8.9"*3.03"*0.59" (Approx.) Quantity:1Pc 1Pc x Dial Caliper.Dial can be turned to adjust caliper to “zero reading†. A large dial which allows easy reading at any length on the caliper. 1Pc x Dial Caliper. Minimum scale to read: 0.1mm. Size (L W H): 22.6 7.7 1.5 cm/ 8.9" 3.03" 0.59" (Approx.).