Starrett 82223 Rolling 18 x 18 Surface Plate Stand. Starrett surface plate stands are heavy duty, durable and provide the proper support for our granite plates. The cross members on our standard stands match the support points on the bottom of each granite plate. Stationary stands are provided with leveling screws allowing for a typical adjustment of 2”. Rolling stands are provided with caster locks. No assembly is required with our stands as they are welded.