Material: Bare Steel Finishing Iron (NOT PAINTED! ) Color: Silver gray Tube thickness: About 2mm Tube outer diameter: About 22.2mm (7/8”) Size: As the picture shows Note: Please double check the measurements of your vehical to ensure a proper fit Fitment: For Honda CB, Yamaha XS, Suzuki GS Package Includes: 1 Pc Rear Seat Hoop Easy to install, No Installation Instruction.