Replacement blade Surform length 250 x width 42 mm standard for standard files,2O870819
Semicircular blade Surform blade length 250 mm blade width 39 mm STANLEY4V425903
Replacement blade Surform length 250 x width 42 mm fine for standard files, planS4176.506.042
Replacement blade Surform length 250 x width 42 mm SPEZIAL for standard files, pS4176.508.042