9 In. Drywall Pole Sander. Diablo's Drywall Pole Sanders Offer Superior Durability And Control For Fast Sanding Of Flat, Large Areas. A Radius Design Eliminates Tool Roll-Over For Maximum Drywall Protection. This Easy To Use Sander Includes A Hook Lock Backing System For The Strongest And Quickest Connection Of Sanding Sheets And Screens. Superior Tool Performance And Life When Sanding Drywall And Painted Surfaces.