BlockTile R0US4612 Interlocking Ramp Edges Without Loop, Gray, 14-Pack Built to handle high rollover loads from large vehicles or tool chests Each edge measures 12-Inch x 2 1/2-Inch x 1/2-Inch - ramped Each box contains 12 edges without loops plus 2 corners The edges snap together with BLOCKTILE interlocking floor tiles UV Stable