54PCS Micro Detail Hand Sander Block with 80–800 Grit Sandpaper for Wood Crafts

54PCS Premium Micro Sander, Detail & Mini Sander Block. 54PCS Premium Micro Sander Kit. The quick-swap hook & loop backing lets you change sandpapers instantly without any tools. Instructions: Attach the desired grit sandpaper to the sanding block using the hook & loop backing.