Replacement Rubber Traction’r: For Carefree Spirit, Fiesta, Eclipse, Travel’r, and One-Touch Patio Awnings. Traction’r Assist Feature: Helps with ‘kicking out’ and ‘pulling-in’ Alumaguard or Uniguard metal wrap Patio Awnings. Incompatible with Competitor Awnings: Will not work with awnings from competitors. Package Contents: Includes 2 Large Traction’r(s), 2 O-rings, and 2 Set Screws. Dimensions: Outside Diameter of Traction’r is 3-5/8″, Inside Diameter is 3-3/8″.