Features:_x000D_ _x000D_ The high precision linear scales is specially designed, precision, high speed, stable and accurate. _x000D_ The signal line adopts multi-layer isolation steel and metal soft shell protection, waterproof and anti-interference fine. _x000D_ Easy to install and maintain, waterproof, dust-proof good, long service life. _x000D_ Widely used, high stabilization, capacity of resisting disturbance well. _x000D_ Suitable for JC800 data display instrument. _x000D_ _x000D_ Specification:_x000D_ Material: Metal_x000D_ Weight: 1277g/45oz_x000D_ Model: JC800_x000D_ Accuracy: 5um_x000D_ Resolution: 5um _x000D_ Type: Grating Electronic Ruler_x000D_ Measuring Range: 0mm-400mm_x000D_ Linear Scales Size: 53.5*3.3*2cm/21.1*1.3*0.8inch_x000D_ _x000D_ Package List:_x000D_ 1 x Linear Scale Set (400mm)_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 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.