Stanley spare iron for 78 plane stanley 1 12 333 replacement irons blades are available for all stanley block and specialist planes li all stanley replacement plane irons are made from chrome carbon steel which has excellent edge retention characteristics and allows a razor sharp edge to be honed li all cutters are fine rotary ground to give a flat surface that is easier to sharpen li g denotes suitable for old style planes li for use with product no 112078 rebate plane 78 li size 1