The Flex Net eliminates cables and replaces them with heavy-duty woven nylon top and bottom bands. Headband attaches directly to the winch leader strap to provide superb tension. Designed for international, collegiate, & high school competition. Upright sold separately. Use for uprights set between 35'-37'. Option to include 4'L adjustable strap is for uprights set between 37'-40'. Strap is designed to attach the existing bottom band for additional length.