Description: 【Material】: These ladder accessories are made from iron  ensuring sturdy and longevity. 【Multifunctional】: The triangular fasteners can not only strengthen ladders, but also can be used to strengthen furniture such as wooden tables, chairs, and stools. 【Enhanced Stability】: The design features reinforced and thickened triangular brackets to provide additional stability to your furniture or ladder. 【Easy Installation】: Triangular reinforcement sheet angle is easy to install on your ladder or furniture, enhancing safe and strength without requiring professional help. 【Widely used】: Triangle fixed angle corner bracket is suitable for iron  household ladders, engineering ladders, folding herringbone ladders, straight ladders, etc. Specification: Material: iron Size Chart:Side Length: 80mm/3.15inch, Hole Spacing: 63mm/2.48inch, Hole Diameter: 5mm/0.20inch Package Includes: 10 Step Ladder Reinforcement Fixing Sheet Note: Please allow slightly errors due to manual measurement and different monitors.