1Excellent Alloy Steel Material: This ladder leveler is made of excellent alloy steel material, which is very sturdy and durable to support larger weights. 2Anti-slip design: This ladder leveler has a threaded pattern on the alloy steel rods, which can maximize anti-slip, improve friction, and be safer and more stable. 3Removable 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, removable and replaceable. 4Easy to install: All you need is a drill to install it, and you can adjust it as needed after installation. Simply press the lock plate and move the lever up or down. 5Wide application: This ladder leveler is perfect for exterior and interior stairs. It can also be used on uneven ground and other similar environments. It is suitable for any 2ft telescopic ladder, straight ladder, etc. Specifications Item Type: Ladder Leveler Material: Alloy Steel Rod, Rubber Base Maximum Working Load: 500LBs/220kg Features: Enhanced Safety, Easy Installation, Widely Used Package List 2 x Ladder Leveling Rod 2 x Base 2 x Adjustable wrench 8 x Screw 8 x Nut