1a) #600 Xtenda-Leg® Ladder Leveler with RUBBER FEET "PAIR" UPC 726097006007

The Most Important Accessory  Improves Safety while Increasing Efficiency  Xtenda-Leg® is a Ladder attachment that allows you to level a ladder to work safely and efficiently on uneven surface including stairs!                               Adjust the level of a ladder in seconds!                     Push down on lock plates, level the ladder, then release.      Special formula of ”Kraton” rubber for superior grip!  Feet pivot 360° X 45° Xtenda-Leg® is OSHA safety standard ANSI 14.8-2013 compliant    How to Use:  Start out with Xtenda-Leg® shafts to be lowered.  Erected the ladder true for use.  If ground is not level, one leg will be holding all the weight, that is the leg you squeeze the locking plates (thumb on lock plates and forefinger on lower black bracket) till plates are horizontal (this will allow shaft to be able to move up or down freely), allow weight of ladder to lower were then booth feet are touching the ground, stop squeezing lock plates.  That’s it you're ready to use