Perfectly simple, solid design, Ridgid, No frills. Sound good well this platen might be for you this docent work of the quick release system, instead works by just bolting to an arm whether that be Box section or Solid aluminum. 
 
This is for Complete Platen that consists off the D-plate, platen brackets, Platen face, Hardware, Axels, spacers & 2 x 50mm Platen wheels
 
Grinders not included. Only for reference.