Please Read All Warnings Carefully Before Use.Note: Not all Trailers are Shown on the cover4x6CG5x8CG, 5x10CG & 5x10CGB6x12CGV7x16CGENCLOSED TRAILERMANUAL & SAFETY GUIDEENCLOSED TRAILERMANUAL & SAFETY GUIDE6x10CG, 6x12CG & 6x12 CGRCG = CargoB = BrakeR= Ramp DoorV = V-Nose