HayRak has 3 unique models to fit your 7 foot wide trailer.
12 Feet Long HR712
click image to enlarge
Features: 6' 4" wide x 12' long 12" tall 76 square feet of storage
only $1,999
10 Feet Long HR710
Features: 6' 4" wide x 10' long 12" tall 63 square feet of storage
only $1,799
8 Feet Long HR708
Features: 6' 4" wide x 8' long 12" tall 50 square feet of storage
only $1,399