LWL12R150BHS Precision Linear Rail Guide Track for 12mm Linear Guide Slide Bearing
This is just a Rail
Sizes: W: 12mm x L 150mm
Linear Unit Guide Way Exchangeable Bearing, the ball-retainer type includes interchangeable specification products. The dimensions is slide units and track rails of this specification are individually controlled, so that the slide units and track rails can be combined, added or exchanged freely.