These High Quality Stainless Steel self closing spring hinges are made of a 316 grade stainless steel which is known to be highly resistant to rust, pitting, and corrosion. These are the highest grade stainless steel door hinges on the market and you will be hard pressed to find something manufactured with a higher quality. These hinges are perfect of coastal areas or the outdoors where the elements can affect your hinges. These are built to last.  Spring Hinges are also known spring loaded hinges or door closing hinges.  Spring hinges are now required in many states to install on the door leading into your garage. The adjustable tension spring in the hinge automatically closes the door helping to minimize any harmful gas fumes from getting into your home.

Product Specifications:

• Made of a High Quality 316 Grade Stainless Steel
• 4.5" x 4.5" with square radius corners
• 316 Grade Stainless Steel - Highest Grade Available
• Adjustable tension for Residential use
• Gauge: 3.4 MM, (.134" )
• For Door Thickness:  2" to 2 1/4"
• All spring hinges include matching screws and hex wrench
• 2 Packs - Sold in Pairs - What is a pair?