M-d carpet trim wide, fluted, 43854, 36″l, pewter, screw nails the 1-3/8-inch by 36-inch pewter fluted carpet trim easily covers a seam or gap between two flooring surfaces of unequal height. Carpet trim prevents carpet edges from fraying, vinyl floor seams from curling and creates a smooth transition between different flooring surfaces. Aluminum trim is easily secured to wood and concrete floors with provided screw nails. For installation on concrete floors use wooden pegs (sold separately).