Manufactured: 1884 to 1984 Length: 8-1/2 inches Blade Width: 1-1/2 inches Construction: Cast iron Finish: Japanned Features: Two blade positions, adjustable fence and depth Uses: Duplex rabbet and filletster plane Average Dealer Price: $35 to $75 Average eBay Price: $22 to $65 Type 1: $50...Continue Reading... Stanley No. 78 Duplex Plane