Robertson Equal Plate

Robertson Equal Plate  *** Please Note!  This is an add-on or requires order of more than one plate!  This is not a complete slider by itself. *** The Bruce Charles Designs Robertson Equal Plate add-on introduces another addition to our unique Robertson line of magnetic fidget sliders, and is available in Stainless Steel, Brass, and Copper.   This add-on plate is meant to work with the original Robertson Sliders, either Brass, Copper, or Stainless Steel, which are made as mirror pairs, with the magnets set closer to the surface on one side than the other.  The close side is marked with a tiny “+” in one corner and when those sides are facing each other the magnetic force is stronger.  With the “+” sides facing away from each other, the force is lighter.  This provides two different strength sliders in one, and is the key to the Robertson’s variety and flexibility.  So Why The Equal Plate? We learned with The Micro Stackable Magnetic Slider that stacking more than two sliders together