Our KAUSMEDIA 20W solar panel mount is perfect for 20W solar panels. Set Contents: Mount body (double-sided tape included), screws for fixing single-pipe pipes, Japanese instruction manual (English language not guaranteed) Material: Aluminum; Size: Approx. W 11.6 x H 7.5 x D 4.5 inches (295 x 190 x 115 mm); Weight: Approx. 26.8 oz (689 g); Hole dimensions: Approx. 1.9 inches (49 mm). *Single-pipe pipe, tools, etc. are not included. Please prepare it by yourself.