A Steel Blade is a product of smithing made by using a Steel File on a Steel Blade Blank. It can be combined with Short Shaft to get knife. Combining Two Steel Blades then hitting with a Smithing Hammer will make shears. Combining Three Steel Blades and boards will make Kraut Board.
Using a Steel File on a blade will make Steel Saw Blade. A blade can also be added to a Pulley Drive Mechanism to make a Bore Mechanism, and a Oil Drilling Rig without Bit to get a Complete Oil Drilling Rig. It can be combined with a Tied Short Shaft to get a Lathe Head.
Two Steel Blades
Three Steel Blades
