Honko Seisakusho Co., Ltd. Aluminum Safety Stopper for Square Frame Ladder S-3AL [Set of 4] Used once to clean a ceiling-mounted air conditioner after purchase. Selling because it is no longer needed. Shipping will use recycled packaging materials (original box). Please note that the instruction manual is quite torn. No individual sales. This is a reused item, so please refrain from purchasing if you are sensitive to this.