Description Machifit HGH20 Linear Rail Guide Block CNC PartsSpecification ModelHGH20MaterialSteelWidth20mmQuantity1pcs Features Strong and durable The tool is simple and easy to use Professional and technical Small size light weight especially for small equipment Slider could easily and lightly move With steel ball holder retainer Fit for Semiconductor manufacturing equipment printed circuit board IC assembly equipment medical equipment machine arm precision measuring instruments office automational equipment other small linear sliding devices Package Included 1 x HGH20 Linear Rail Guide BlockMore Details