Slack belt platen attachment

Flat platen attachment mounted on a 15 inch long x 1.5" square solid aluminum tooling arm.
 
--- 1/2 inch thick aluminum platen D-plate with 6 inches of distance from the belt to the throat of the attachment.
--- 2 inch diameter aluminum wheels.
--- 1/2" thick x 2 inch wide steel platen. 7.75" long.