Riser, rectangular, three step, includes (1) each: lower step 11-4/5" × 9-4/5" × 9/10"H, (1) middle step 13-2/5" × 9-4/5 × 2”H, (1) upper step 15-7/10" × 9-4/5" × 3-1/2”H, rectangular, oak, oiled