This system 's handy Mammoth Pump height adjustment mechanism easily adjusts from 7.5 to 10 feet high in infinite height increments .
The heavy - duty Spring - Flex rim features a wrap - around steel brace and a heavy - duty nylon net .
This system 's handy Mammoth Pump height adjustment mechanism easily adjusts from 7.5 to 10 feet high in infinite height increments , and the heavy - duty Spring - Flex rim features a wrap - around steel brace and a heavy - duty nylon net .