DARICE-Core’dinations Sand It Gadget. Perfect for getting to the core of your favorite Core’dinations papers! This handy tool features sides to sand with: use the large side of the block for larger areas and the smaller side for more detailed projects. Plus it’s reusable! Just replace the sandpaper as needed with Sand It Refills (not included). This package contains one Sand It Gadget (2- 1/2×2-3/4×1-1/4 inches), two large side sandpapers (150 and 180 grit), and two small side sandpapers (150 and 180 grit).