The variable height allows you to clean ground windows up to 3-story buildings. With a Tucker brand water fed brush attached, the entire pole only weighs 6 pounds. All Tucker water fed poles come the RHG clamping system, which is a complete wrap around clamp that tightens by hand resulting in a tight friction fit. No gluing needed. Each pole is made to extreme tolerances, making each section extremely easy to extend. This pole is built of incredibly high quality components right here in the USA.