Make your robot or CNC move on our 15mm Supported Slide Rail with this sliding ball-bearing platform. The slider is a bit larger than the other slider we carry for the 15mm wide supported slide rail. This slider platform is 60mm x 47mm and has four holes on the outside tapped for M4 machine screws so you can attach pretty much anything you want. This slider has a plastic interior with circulating ball bearings to make it slide...