Gray Block Tile R1US4612 Ramp Edges W/Loops PP Edges PatternThese BlockTile Ramp Edges with Loops are designed to work as a transition from concrete or other hard surfaces to BlockTile interlocking floor tiles. There are two types of ramp edges for BLOCKTILE loop-to-peg interlocking floor tiles: Ramp Edges with Loops and Ramp Edges without Loops. The names refer to the loops on the long side of the ramp edge. BlockTile Ramp Edges with Loops come in multiple colors are available so you can choose the best color to complement your floor tiles. Because the tiles are modular in nature, you have the option to select either type of edge for your installation.