Feature:1. Excellent Alloy Steel Material: This ladder leveler is made of excellent alloy steel material, which is very sturdy and durable to support heavier weights.2. Nonslip Design: This ladder leveler has a threaded pattern on the alloy steel rods, which can maximize antislip, improve friction, and be more safe and stable.3. Removable Ladder Feet: The feet of this ladder leveler are made of rubber to maximize the friction between the ladder and the ground, non slip and wear resistant, and removable and replaceable.4. Easy To Install: All you need is a drill bit to install it, and you can adjust it as needed after installation. You simply press down on the locking plate and move the lever up or down.5. Wide Application: This ladder leveler is perfect for outdoor and indoor stairs. It can also be used on uneven ground and other similar environments. It is suitable for any 2 feet telescopic ladder, straight ladder, etc.Specification:Item Type: Ladder LevelerMaterial: Alloy Steel Rod, Rubber BaseMaximum Working Load: 500LBs/220kgFeatures: Safety Upgrade, Easy Installation, Widely Used.Package List:2 x Ladder Leveler Rod2 x Base2 x Wrench8 x Screw8 x Nut