x-small with plastic cap 15.5'' to 22.5''
x-small with leveling mount 17.5'' to 24.5''
x-small with 8" screw jack 17.5'' to 28''
small plastic cap 18'' to 24''
small with leveling mount 20'' to 26''
small with 12'' screw jack 20'' to 32''
medium with plastic cap 23'' to 29''
medium with leveling mount 25'' to 34''
medium with 16" jack 25'' to 41''
long with plastic cap 33'' to 51''
long with leveling mount 35'' to 56''
long with 24" screw jack 35'' to 69''
*Jacks inserted at 1/4 out 3/4
**Leveling out at 2.5" max
***Leg is rated at 100 PSF when 1 leg is installed every 4' in X and Y directions.