Manufactured: 1869 to 1917 Length: 7 inches Blade Width: 1-3/4 inches Construction: Cast iron, beech bottom & knob Finish: Japanned Features: Wood bottom Uses: General purpose bench plane Average Dealer Price: $75 to $350 Average eBay Price: $80 to $290 Type 1: $300 to $600...Continue Reading... Stanley No. 21 Smooth Plane