Half cassette awning Model no.: SF-R-4100 2)Maximumwidthof6m 3)Maximumextensionofupto3m 4)Bigarm60x31mm,smallarm54x27mm,thickness1.8mm 5) Square tube: 40x40mm 6)polyester or acrylic fabrics 7)Fabric roller is invisible, whether stretched or retracted, looks beautiful and handy. 8)Price is much more affordable. 9)Either conducted by motor or hand crack. 10)many colors optionals 11)For residential or commerical used Alltheawningscanbecustomizedaspercustomers'specialneeds