EVERMARK Stair Parts 48 in. x 11-1/2 in. x 1 in. Unfinished Red Oak Plain Cut No Return Engineered Stair Tread 8530R-048-HD00L - The Home Depot
Cap A Tread Heirloom Pine Stair Tread and Reversible Riser Kit 47 in. L x 12-1/8 in. W x 1-11/16 in. T for Stairs 1 in. Thick 01C073693 - The Home Depot