Features Precise and Accurate: The high-precision linear scale is specially designed to be precise, high-speed, stable and accurate. Good performance: the signal line is protected by multi-layer isolated steel pipe and metal soft shell, which is waterproof and anti-interference. Easy installation: Lathe grating ruler is easy to install and maintain, waterproof and dustproof, and has a long service life. Wide range of applications Linear grating scales are widely used, with high stability and strong anti-interference ability. Scope of application: linear grating scale is suitable for JCS900-2AE / JCS900-3AE data display instrument. Features: The high precision linear scales is specially designed, precision, high speed, stable and accurate.The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine.Easy to install and maintain, waterproof, dust-proof good, long service life.Widely used, high stabilization, capacity of resisting disturbance well.Suitable for JCS900-2AE / JCS900-3AE data display instrument. Specification: Material: Metal Weight: 1277g/45oz Model: JCS900-2AE/JCS900-3AE Accuracy: ± 5um Resolution: 5um  Measuring Range: 0mm-400mm Linear Scales Size: 53.5*3.3*2cm/21.1*1.3*0.8inch Package List: 1 x Linear Scale Set (400mm) Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List