Lid stay with ball catch for lightweight doors Catch automatically holds lid in opened position Can be installed individually or in pairs Handed: Specific left and right hand mountingWARNING: This product can expose you to chromium, hexavalent chromium, nickel, 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.