Useful Tools8 Non-Slip Adjustable Chair Feet And 8 Felt Pads. The Size of The Adjustable Feet Is 1.38" Base Diameter And 2.17" Thread Length. It Can Be Installed On The Furniture Base As Needed. It Is A Practical Tool In Daily Life. . Easy to Installjust Pre-Drill A 3/8 Inch Hole And Insert A T-Nut for Universal Installation, Then Screw On The Level And Adjust The Height You Want. . Slip-Proof And Noise-Proofthe High-Density Felt Floor Protector Protects Your Hardwood Floor from Scratches Or Harsh Noises, And Its Effect Is Far Better Than The Adhesive Pad. Anti-Fouling And Non-Slip, Keep The Legs of The Furniture Away from Damp Floors Strong Stabilitythe Anti-Slip Kitchen Adjustable Feet Can Help The Asymmetric Furniture Legs to Effectively Adjust, Maintain The Balance of The Furniture, Avoid The Problem of Furniture Shaking, And Ensure That The Furniture Floor Will Not Be Scratched Multiple Applicationsthese Adjustable Feets Play A Vital Role In Our Lives. for Example, offices, Household Furniture And Even Industrial Machines, Such As Tv Stands, Tables, Cabinets, Mechanical Equipment, Fitness Equipment, Hangers, Desks, Etc.