Drywall Master Warrior Flat Box Extension HandleThe Drywall Master Warrior Flat Box Extension Handles adjust the reach of your handle on the fly with the compact design of the Flat Box Extension Handle. Give yourself the extra reach of 1' 4' without having to stop to screw on an attachment. Simple trigger release allows the pole to extend to the desired length with the smoothest of ease.. Features: Extends from 38" to 60", add a 22" extension for the longest extension handle in the industry.