***FACTORY SEALED***Foldable Heavy Duty Ladder Extender LA1-Adjustable Height 9.13"-15", Ladder Leveler for Stair-Ladder Aide-Ladder Leveler for Extension Ladders with 20x7.5" Platform-Non-Slip Mat-Holds up to 880lbs

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• HEIGHT ADJUSTABLE LADDER STABILIZER--Upgraded foldable stair ladder platform adjust from 9.13" to 15", in 0.47" each increments. The larger platform measures 20"x7.5" and the base 11.8" x 4.92". Use it to create a stable, level base on stairs. Verify these parameters to ensure compatibility with your stair step height before purchasing.
• CORROSION RESISTANCE & HIGH QUALITY--Your safety comes first. This ladder leveler for stairs is made of heavy-duty premium carbon steel, the solid structure can withstand up to 880 lbs. Featuring a black powder-coated body and galvanized fittings, it is corrosion, rust, and abrasion-resistant. It provides reliable support stays intact in wet environments, and requires low maintenance.
• ANTI-SKID AND FOLDABLE DESIGN--Your safety comes first. Both the post base and platform have sturdy anti-slip mats, allowing you to use this ladder tool confidently at heights. The design prevents damage or marks on delicate floors. Foldable for compact storage when not in use, saving you space.This foldable ladder stabilizer with an anti-skid surface is ideal for professionals and handymen alike.
• EASY TO INSTALL & LOW MAINTAIN--Vlaeng ladder extender features a detachable frame and includes all necessary accessories and tools for quick installation in minutes, stable and secure after installation. It doesn't need to be installed on the ladder, It can be easily moved between stairs, saving time and effort, without leaving marks or damage. Adjust its height in seconds with the latch. Easy to maintain, wipe clean if dusty. Make sure of the total stability before using it. For installation steps, please view the installation video
• WORK FOR LADDERS & WIDE APPLICATION--Please CHECK compatibility before buying. Suitable for two-foot stair ladders with a maximum Ladder Foot Pitch of 20" and Ladder foot width of 7.5", Platform fits most ladder feet such as extension, straight, and telescopic ladders. NOTE: Not suitable for three-foot or four-foot ladders like step, platform, or orchard ladders. Widely used for painting, repairing, hanging, and other decoration activities.
• ALWAYS WORK SAFELY--Before use, ensure the platform is level and place the ladder feet securely on the platform. For maximum stability, maintain a 75° angle between the ladder and the horizontal surface. Do not use this product on stairs that are hazardous or slippery.　Follow all ladder safety rules.