... ,high grade aluminium 3,mul-operation method type:awning retractable outdoor manual economic half cassette awningSize: 3.0x2.0m, 3.6x2.5m, ... 4.5x2.5m, 4.5x3.0m, 4.8x3.0m, and 5.5x3.0mRoller: diameter of 70mmAluminum front girder: 80 ... x 65mmSteel back girder: 40 x 40mmPower arm: 54 x 27mm/60 x 31mmGear box: 1 : ... , or 300g/m2 acrylicThis stytle can be made manual half cassette heavy awning