Southco Inc C3-1805 Side-Mount Grabber Catch 5 Lbs. Pull Force, Southco Grabber Catches Mounts inside your enclosure. Uses same keeper as above. Three different pull up forces. Installs either right side or left side by inverting. Use #4 screws or .125 rivets to install. Grabber catch has microswitch option to be used as a mechanical grabber catch with an electric switch. Switch is designed to operate an indicator light or form part of a non-safety related logic circuit.