Price: $45.99 – $59.99
(as of Jan 28, 2026 05:02:47 UTC – Details)
Product description
1 Adjustable Height
2 Front View
3 Bottom View
1 Packing List
2 Easy To Install
3 Use Warm Tips
1 High-Quality
2 Stable Platform
3 Portable & Storage
1 Anti-Slip Design
2 Easy To Move
3 Load Capacity 880lbs
Foldable Upsize Pro
Ladder Safety Specialist
11.8″/30cm
Min Height
13.4″/34cm
19.1″/48.4cm
Max Height
19.1″/48.5cm
23.7“7.5”/60.3x19cm
Platform Size
27×5.63/68.6×14.3cm
11.8×4.92″/30×12.5cm
Base Size
11.8″ x 4.92″
Carbon Steel
Sturdy Material
Carbon Steel
880lbs
Load Capacity
880lbs
11.8″/30cm
Min Height
9.13″/23.19cm
19.1″/48.4cm
Max Height
15″/38.1cm
23.7“7.5”/60.3x19cm
Platform Size
20”x7.5″/50.8x19cm
11.8×4.92″/30×12.5cm
Base Size
11.8×4.92″/30×12.5cm
Carbon Steel
Sturdy Material
Carbon Steel
880lbs
Load Capacity
880lbs
11.8″/30cm
Min Height
13.58″/34.5cm
19.1″/48.4cm
Max Height
18.9″/48cm
23.7“7.5”/60.3x19cm
Platform Size
23.5″x7.7″/60×19.5cm
11.8×4.92″/30×12.5cm
Base Size
13.78″x3.94″/35x10cm
Carbon Steel
Sturdy Material
Carbon Steel
880lbs
Load Capacity
880lbs
11.8″/30cm
Min Height
9.45″/24cm
19.1″/48.4cm
Max Height
15.4″/39cm
23.7“7.5”/60.3x19cm
Platform Size
24”x4.48″/61×12.3cm
11.8×4.92″/30×12.5cm
Base Size
13.78″x3.15″（35x8cm）
Carbon Steel
Sturdy Material
Carbon Steel
880lbs
Load Capacity
880lbs
Foldable Upsize Plus 
Foldable Upsize LA1 
Ladder Extender Pro 
Ladder Extender LA1 
HEIGHT ADJUSTABLE LADDER STABILIZER–Upgraded foldable stair ladder platform adjust from 11.8″ to 19.1″ in 0.47″ each increments. The larger platform measures 23.7″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 23.7″ 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.