Manufactured: 1900 to 1953 Length: 8 inches Blade Width: 1/2 inches Construction: Cast iron Finish: Japanned Features: Skewed cutter, adjustable depth stop and spurs Uses: For cutting a rectangular groove or channel Average Dealer Price: $80 to $200 Average eBay Price: $80 to $180 Type...Continue Reading... Stanley No. 39-1/2 Dado Plane