MSI XL Trecento Calacatta Marbello Flush Stair NoseMSI XL Trecento Calacatta Marbello Flush Stair Nose is the stair nose finishing molding for the XL Trecento Calacatta Marbello Flush flooring series color matched to the parent plank for clean transitions and perimeter finish work. What distinguishes a finished flooring install from a builder grade one is precisely this kind of matched trim work at the transitions, which is why this molding earns its specification. Sold by the piece in standard