Starting step for use with LJ-6010 & LJ-6210 standard volutes and turnouts - 6-1/2" tread radius. Each step includes the necessary cove and shoe moulding. Offered to two standard sizes. Single bullnose steps are reversible and can be cut for smaller stair widths. Specifications: Treads are 1" thick x 11-1/2" deep x 8" total rise. Please call 1-800-732-1697 for further information or help with stair products.