Unmatched Stability: The 4-prong design digs into the wood, creating an anti-rotation anchor that won't budge, even under significant torque. Superior Durability: Zinc-plated steel construction not only provides immense strength but also protects against rust and corrosion, ensuring your work stands the test of time. Clean, Professional Finish: Once installed, the T-Nut flange sits flush with the surface, creating a clean and professional look for your finished piece. Endless Possibilities: From custom furniture to home gym equipment, these versatile T-Nuts are the secret to strong, demountable joints. Product Specifications: Product Name: 4-Prong T-Nuts / Tee Nuts Material: High-Quality Carbon Steel Finish: Zinc Plated (Corrosion Resistant) Thread Size: 1/4"-20 TPI (Coarse) Barrel Length: 5/16 Inch