This digging
shield is made from 4"x4"x1/2" square tube. It
can be adjusted from 9'x9' up to 14'x14'. It can also open to
any rectangle size between 9 and 14 feet in one foot or 6 inch
increments. The bow is held open by 1 1/4" pins and has
a 5/8 lifting ring at each corner with 1/4" gussets for
added support. This box is six foot high but can be fabricated
to any size or shape. This particular box is used with ps 27.5
sheeting 12' long.
