Available as blade only, in which case it is known as a single iron , or offered complete with chip breaker and screw when they are termed a double iron. Stanley® replacement plane irons are made from hardened and tempered high carbon chrome steel which have excellent edge retention characteristics and allows a razor sharp edge to be honed.
10 June 2014
Good quality and value for money option for your old Stanley planesI bought a single iron for my old Stanley 4 1/2. I'm pretty happy with it- it's of similar quality to the original and it's Sheffield made so I expect it to hold a reasonable edge, at least for the kind of work I do. A little bit of work on the back face to remove the grinding marks, add a secondary bevel and I was ready to go! I've tried those expensive replacement irons from other premium manufacturers but unless you're working with expensive hardwoods I don't see the point. These original thin irons work just fine, once your plane is properly set up and your edge is sharp there's no need to be wasting time and money on grinding and sharpening those thick irons.