![90 Degree Inside Corner Sanding Tool for Drywall Finishing Sanding Paper Holder Sander Self Adhensive Sandpaper 180# (50x13cm) 90 Degree Inside Corner Sanding Tool for Drywall Finishing Sanding Paper Holder Sander Self Adhensive Sandpaper 180# (50x13cm)](https://ae01.alicdn.com/kf/Hc5c07fb3d4b34258a75d13cec48c76aar/90-Degree-Inside-Corner-Sanding-Tool-for-Drywall-Finishing-Sanding-Paper-Holder-Sander-Self-Adhensive-Sandpaper.jpg)
90 Degree Inside Corner Sanding Tool for Drywall Finishing Sanding Paper Holder Sander Self Adhensive Sandpaper 180# (50x13cm)
![Is there a cool trick to sanding the 3 corner areas that you folks use? It's hard for me a DIY 'er to get crisp corners using the foam style sanding blocks. Is there a cool trick to sanding the 3 corner areas that you folks use? It's hard for me a DIY 'er to get crisp corners using the foam style sanding blocks.](https://i.redd.it/wojrgs7x2kwa1.jpg)
Is there a cool trick to sanding the 3 corner areas that you folks use? It's hard for me a DIY 'er to get crisp corners using the foam style sanding blocks.
![Ray's Drywall Corner Sander, Corner Sander,Drywall Sander, Better-Then-Ever Pole Threading- Male : Industrial & Scientific - Amazon.com Ray's Drywall Corner Sander, Corner Sander,Drywall Sander, Better-Then-Ever Pole Threading- Male : Industrial & Scientific - Amazon.com](https://m.media-amazon.com/images/I/91I-WljfGpL._AC_UF894,1000_QL80_.jpg)
Ray's Drywall Corner Sander, Corner Sander,Drywall Sander, Better-Then-Ever Pole Threading- Male : Industrial & Scientific - Amazon.com
![Norton Prosand Corner Sanding Sponge 4-1/2 Inch X2-3/4 Inch X2-3/4 Inch 120-M | The Home Depot Canada Norton Prosand Corner Sanding Sponge 4-1/2 Inch X2-3/4 Inch X2-3/4 Inch 120-M | The Home Depot Canada](https://images.homedepot.ca/productimages/p_1000830984.jpg?product-images=l)