30" x 3/8" Wall Roller Tube; 1/4" Thick Roller End Plates; 1-3/4" Roller Centre Shaft; 1-3/4" Greaseable Bearings; Ballast fill and vent plugs; 4" x 4" x 1/4" Wall Main Frame; 4" x 3" x 1/4" Wall x 6' Long Tongue; Non-adjustable clevis style hitch; Reflective safety tape on outer front and rear corners