1.Aluminum side plates for roller shutter; 2.Size: 137, 150, 165, 180 etc; 3. Material: Aluminum alloy; 4. ... Mill finish; Product Name: Aluminum Side Plates for Roller Shutter;Size:180*180 with 45 degree ;Material:ADC12;Surface Treatment: Mill ... , 205*205, 250*250, 300*300etc. Aluminum Side Plates for roller shutter