【Professional】--- This is a high accuracy linear scale with measurement range of 0-500mm. 【Practical and Reliable】--- Slide part adopts of reliable and 5 bearing system design. 【Stable Performance】--- The repeated positioning measurement is accurate and stable. 【Exquisite Workmanship】--- Signal cable uses multilayer shielded wire steel and metal shell protection. 【Long Service Life】--- The scale body uses aluminum profile, and head uses zinc alloy die casting with chrome plating, corrosion resistance., Manufacturer: ZXZZAS