The step ladder foldable hinge is made of aluminum alloy materials, ensuring durability and longevity. The hinge is versatile and convenient, suitable for any household or workplace. The hinge mechanism allows for smooth and effortless folding and unfolding of the ladder.Features - Color: Black - Material: Aluminum alloy - Size: 17.00 x 14.00 x 2.20 cm / 6.68 x 5.50 x 0.86 in - This ladder hinge features a convenient design with an internal damper for smooth and quiet operation - Foldable design is unique, lightweight, flexible, convenient, and practical; the ladder hinge is a good choice - Ladder hinge is made of aluminum alloy, resistant to rust, sturdy, and durable, providing long-term performance - Ladder hinge is easy to set up and use, even for those with limited experience - Attic ladder hinges provide a safe and stable solution for your ladder, adding stability and preventing damage Packing List 1 x Hinge 8 x Screws 8 x Nuts