A: Circumference of mast above headboard: 25 inches
B: Circumference mast and headboard: 37 inches
C: Height of Sail Cover: 76 inches - see attached photograph
D: Length of sail cover measured to forward centerline of mast: 180 inches
E: Circumference at 45 degrees: 76 inches
F: Circumference at Clew: 23 inches
G: Circumference of sail at 1/4 of D: 62 inches
H: Circumference at 1/2 of D: 46 inches
I: Circumference at 3/4 of D: 38 inches
J1: Vang (fwd center of mast to location): 80 inches
J2: Sheet (fwd center of mast to location): 120 inches and 139 inches (it attaches in two places)
Zipper on C
Twist snaps on D
Graphite CWM431
Extra Info