Able to install the lid up to 45 Inclined mount Easy to adjust angle by changing the weight position Integrated anti-pinching plates Corrosion resistant Guide sold separately.WARNING: This product can expose you to chemicals including Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65WARNINGs.ca.goWARNING: This product can expose you to chemicals including styrene, which is known to the State of California to cause cancer. For more information go to www.P65WARNINGs.ca.goWARNING: This product can expose you to chemicals including nickel and chromium, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65WARNINGs.ca.gov.