One 20" Rociprolap lap plate only. Lap plate weighs approximate 50 pounds. Note: a 10% discount will be given at the SHOPPING CART. The retail price includes a crating fee of $80.00 . The lap plate will last for a very long time, but at some point you may need a replacement plate. Some users regrind the small cavities in the bottom of the cast iron plate, which holds the grit. When your cast iron plate is quite worn, use the plate for the polishing stage. F.O.B. Redlands, CA. Note: the 20" Rociprolap is now being manufactured by new owners, Covington Engineering Corp. (Formerly owned by Rose Enterprises.)