Product Features The Vernier Caliper Laser Marker Was Designed Especially By Our Company for the Measuring Tools Industry. This marker can engrave the scale, the reader, and the Company Insignia On a Variety of Vernier Calipers and other Precision Measuring Tools. This Marker Can Support Single Metric, Double Metric, Single Inch, Double Inch, and Inch-metric Marking Scales. In Addition to Linear Measuring Devices, this Marker Can also Mark "t", Corner, Curved, and User Defined Shapes. It is Easy to Adjust the Character Size and Scale Using the Software Provided. Compared to Traditional Technology, this Series Offers Speed, High Accuracy, High Resolution, and Abrasion Proof Marking.Applications & Materials This Marker Can Engrave the Scale, the Reader, and the Company Insignia On a Variety of Vernier Calipers and other Precision Measuring Tools. Technical DataThe Vertical Travel : 0-120mm Marking Depth : 0.01mm to 0.10mm Adjustable Marking Accuracy : Gap Error Between Two Lines 0.006mm, Cumulative Error 0.020mm Marking Line Width : One Time Marking Line Width is 0.14mm, Error of Width =< 0.01mm Marking Line Speed : Single Metric System 500mm Caliper< 5 Minutes;single Inch System 500mm Caliper