Reasons for selection:The ladder feet covers are made of durable rubber, which are thickened, wear-resistant and non-deformable; the bottom features deep ridges for excellent anti-slip performance, securely gripping the ground to enhance the ladder's stability.Measurement:Internal Diameter: 80.5mm / 3.17"; Outer Diameter: 88mm / 3.46"; Height: 46mm / 1.81"; Thickness: 3.5mm / 0.14"; Package List: 1pcs x Ladder Non-slip Feet MatSuitable for:Ladder feet cushion fits for telescopic ladders, folding ladder, engineering ladders and man-way ladders, which is suitable for construction sites, home improvement projects or maintenance work, helping prevent slips and falls while protecting the floor from scratches, ensuring safety during ladder use.Installation:Ladder feet replacement is easy to install, requiring no nails or other adhesive tools.