*KeyFeatures*Adjustable Range: Up to 11.4 inches with a total length of 17.9 inches. Ideal for stairs, uneven terrain, and curbs. Provides stable support on any surface for a secure and reliable experience.*Effortless Leveling: Features an easy-to-adjust locking plate for secure fixation. Anti-slip rubber feet ensure additional stability and a perfect fit on various surfaces, enhancing safety and efficiency.*Fast Setup: Install quickly with just marking, drilling, and fixingno complicated steps required. Ensures a balanced ladder and improves work efficiency with ease.*Versatile Fit: Suitable for fiberglass, aluminum, telescopic, and straight ladders. Ensures safety and efficiency across different ladder types and applications.*High-Strength Construction: Made from high-strength carbon steel for maximum stability and durability. Reliable locking plate and durable, anti-corrosion rubber feet enhance the leveler's lifespan. Choose our leveler for dependable and worry-free use every time.********************************************************************************************************SpecificationsItem Model Number: KZ-17.9Product Dimensions: 7.8 x 2.95 x 17.7 inches / 185 x 75 x 450 mmAdjustable Length: 11.4 inches / 288 mmMain Material: Carbon SteelColor: SilverNet Weight: 10.8 lbs / 4.9 kg********************************************************************************************************Pakcage Content2 x Main Units2 x Support Feet2 x Long Fixing Tubes2 x Short Fixing Tubes2 x D-Shaped Pins2 x Galvanized Hex Bolts M8 x 702 x M8 Lock Nuts10 x Galvanized Hex Bolts M6 x 258 x Galvanized Hex Bolts M6 x 508 x M6 Lock Nuts4 x Square Washers4 x Round Washers2 x Open-End Wrenches 10-141 x User Manual