Keeper Safety Step - The Keeper Safety Step is designed to replace worn tread surfaces on running boards, stairs for added security, or areas prone to slipping. It is constructed from EPDM rubber to prevent sun and ozone damage for year-round use. Attached is a specially formulated adhesive backing for easy application. Features Measures 4in x 17.5in High traction skid-resistant surface Adheres to wood, metal, fiberglass, concrete or any flat clean surface Easy to apply and use