Quick view Used Surface plate - 8' x 20' Used Surface Plate 8' x 20' This surface plate is in our old shop. 1.5" Thick Steel. 3 Pieces. 12,500 lbs. 8' x 20' Fully Machined Surface with Milled Alignment Lines. Rounded front with full skirts and jack plates. We... MSRP: Was: Now: $6,500.00 Add to Cart Compare