Guardian Safe-T Ladder Extension System* The Safe T Ladder Extension System installs over the top of your ladder and provides an easy transition to a second surface. * This ladder safety device requires no tools so there's nothing for you to forget, the unit attaches with a simple to use knob without scratching or damaging the ladder. * The cushioned bumper pads of the Safe T Ladder Extension help to protect the eave of the roof and eliminate damage. * The hand grips help to ensure safe