*Key Features *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 fixing—no 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. *Specifications Item Model Number: KZ-17.9 Product Dimensions: 7.8 x 2.95 x 17.7 inches / 185 x 75 x 450 mm Adjustable Length: 11.4 inches / 288 mm Main Material: Carbon Steel Color: Silver Net Weight: 10.8 lbs / 4.9 kg *Package Content 2 x Main Units 2 x Support Feet 2 x Long Fixing Tubes 2 x Short Fixing Tubes 2 x D-Shaped Pins 2 x Galvanized Hex Bolts M8 x 70 2 x M8 Lock Nuts 10 x Galvanized Hex Bolts M6 x 25 8 x Galvanized Hex Bolts M6 x 50 8 x M6 Lock Nuts 4 x Square Washers 4 x Round Washers 2 x Open-End Wrenches 10-14 1 x User Manual