Feature: 1. in/mm, OFF/ON, ZERO. 2. The ZERO/ABS key allows the display to be Zero-Set at any slider position along the scale for incremental comparison measurements. This switch will also allow return to the absolute (ABS) coordinate and display of the true position from the origin point usually jaws-closed point). 3. Hardened stainless steel main scale and measuring jaws. Specification: 1) Who are we? Deko Corporation mainly dedicate to the development, manufacture and marketing of KM brand precision measuring tools in China mainland. 2) What products do we carry? Dial indicators, micrometers, calipers, bore gauges, height gauges, dial thickness gauges, depth gauges, bevel protractors, gauge, blocks,level,etc. 3) What are the terms of trade? We support FOB, C&F, and CIF, EXW. 4) What are the forms of payment? We accept T/T, L/C, D/A,D/P,Paypal,Western Union. 5) Do we accept customization? Yes, OEM is available. 6) How about after-sales service? One year warranty for all kinds of products. If you find any defective accessories when receive goods, we will ship you news parts or new product to replace. As an experienced manufacturer, we have very strict calibration and inspection team, you can rest assured of our product quality.