【Sturdy Construction】: Crafted from pp material, this sanding tool is ensuring 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 is for comfortable handling and control during detailed sanding tasks 【Versatile Application】: Semi circular angle sanding sandpaper tool Ideal for smoothing putty surfaces or other materials, this tool is for both professional contractors and DIY enthusiasts looking to achieve a smooth on various projects 【 Package】: Comes as a single drywall corner sander holder for diy polishing grinding for wall,corner Size Chart: 22cmx11cm/8.66inchx4.33inch Package Includes: 1 Drywall Corner Sander Holder Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.