Features:1. This is a high accuracy linear scale with measurement range of 0-500mm.2. Slide part adopts of reliability and durability 5 bearing system design.3. The repeated positioning measurement is accurate and stable.4. Signal cable uses multilayer shielded wire steel and metal shell protection.5. The scale body uses aluminum profile, and head uses zinc alloy die casting with chrome plating, corrosion resistance.Specification:Model: JC800Measurement range: 0mm-500mmAccuracy: 5umResolution: 5 umFits for: JCS900-2AE/JCS900-3AE digital readoutScale Size: 33*21*(500+140)mmPackage weight: Approx. 1393g/49ozPackage list:1 x Linear Scale with Installation AccessoriesNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..