BARWALT Hollow Leave-In Tile Spacers, industry-approved, eliminate the need for spacer removal, enhancing the tile leveling system by allowing earlier grouting Designed like rubber spacers but hollow, these spacers integrate into the joint when filled with grout, streamlining the installation process Their ability to compress up to 10% accommodates variances in tiles, ensuring a precise fit and consistent finish with tile tools for the pro Extra length makes these spacers ideal for radius corner tiles, available in both + and T styles to meet diverse tiling needs Choose from a wide range of sizes and quantities, making these spacers a versatile choice for contractors using tile spacers and tile tools