These 3/32" thick blades offer a substantial improvement over the inferior chrome-vanadium junk that comes with most new tools. Our high carbon steel blades can be honed easier and sharper. All are 7" long and will fit 99.9% of Stanley and Record style planes with no modifications other than a simple frog adjustment. 2 3/8" (fits #4½, #5½, #6, #7)