Th in-ground mount is 23 3/8" long, of which 16" goes into the ground. Once installed in the ground, the tear drop flagpole slips over the 7 3/8" rotating spindle.
The surface mount can either be permanently mounted or held in place temporarily with a heavy-duty water donut. The water donut holds 2 1/4 gallons of water and weighs 18 1/2 pounds. The water donut should only be used in light winds of under 5 m.p.h.