Top platens are used to hold cartons or other products together while the pallet is rotating. The top platen stabilizes unstable loads for wrapping. Once the load is placed on the wrapper table, the top platen is lowered down onto the top of the product to be wrapped. Call us toll free at 1-833-490-9727 to have your price quotation ready in minutes! Learn more about this automatic pallet stretch wrapper here: https://www.phoenixwrappers.com/packaging-equipment/custom-applications/top-cap-dispensig-system-with-tab-folding.php