MPositioning T125Z-20B Precision Vertical Z Axis Translation Stage 20 mm Travel High-Load 15 kg Large Area Platform 20 mm travel with 0.01 mm resolution by micrometer head Lockable design by a thumbscrew Good performance at an economical price Multipile positioners can be set up in XZ or XYZ orientation Cross Roller Bearing for Precise Motion, High Load Capacity and Stability