66” cutting edge dimension :
A=66” B=8” D=10” E=5/8” F=3/4” , 7holes total

72” cutting edge dimensions:
A=72” D=11” E=5/8”, 7holes total

78” cutting edge dimensions:
A=78” D=9” E=5/8”, 9holes total

84” cutting edge dimensions:
A=84” D=9 ¾” E=5/8”, 9holes total

Customized dimension cutting edge available.