... Easy Installation 3.High Accuracy 4.Warranty: 25 years Aluminum solar panel frame with precise dimension, good surface ,high quality, ... spec: (1). 30*25mm suitable for solar modules of 30-120W, (2). 50*35mm suitable for solar modules of 160-220W, (3). 35* ... 35mm suitable for solar modules of 80-180W. Customer size is available. Aluminium frames for solar pv panel