Oak Stair Riser – 980 Call For Quote $22.58 – $25.81 Interior stair riser Oak, 3/4″ thick x 7-1/4″. View Product Catalog Size Choose an option… 4248 Clear selection Oak Stair Riser - 980 quantity Add to list Want a discount? Become a member. Want a discount? Become a member. SKU: O980 Category: Stair Parts Description Additional information Description Oak stair riser for interior stair systems. 3/4″ thick x 7-1/4″. O98042 – 42″ O98048 – 48″ Additional Information Size 42, 48, 60