【Sturdy Construction】: Crafted from PP material, this sanding tool ensures longevity and reliability for all your sanding needs 【Convenient Self Adhesive Design】: The self-adhesive feature allows for quick and easy attachment of sandpaper, making it simple to switch between different grits as needed without any hassle 【Compact and Efficient Size】: Measuring 220x110mm, this half-round corner sanding block provides comfortable handling and control during detailed sanding tasks 【Versatile Application】: This semi-circular angle sanding tool is ideal for smoothing putty surfaces or other materials, suitable for both professional contractors and DIY enthusiasts looking to achieve a smooth finish on various projects 【Package】: Includes one drywall corner sander holder for DIY polishing and grinding on walls and corners Size: 22cm x 11cm / 8.66inch x 4.33inch Package Includes: 1 Drywall Corner Sander Holder Note: Please allow slight measurement errors of 1-2cm / 0.39-0.79inch due to manual measurement