8080 Lineal Stair Tread Nosing for Returns. 8080 tread nosing is 1-1/2" x 1" and matches all 8070 series stair treads. Sold by the foot as a molding piece. This is a non-stocked item. It is stocked in 13" lengths (8080-13). Specified lengths other than 13", or other wood species besides oak, usually ship in 3-4 weeks, FOB Ohio.