set of two 
heavy duty replacement blades
supersedes numbers listed below 
 AYP/ROPER/SEARS: 138498, 138971, 138971X431, 532138971
HUSQVARNA: 532 13 84-98, 532 13 89-71
LENGTH 21"
WIDTH 2-1/4"
C. H. DIA 5 POINT STAR
**they will not fit 247 model craftsman they use** 6 point star hole **