【Measure Before You Buy】This self closing door hinge is 5.78" long and 2.65" wide. We recommend carefully measuring your existing hinge space and comparing it to our detailed size drawing. Unsure if it fits? Just contact us – we're happy to verify compatibility for you 【4-in-1 Function】The spring hinge packs four key features: anti-collision (opens up to 175°), door positioning (stays put between 165° and 80°), self-closing (automatically closes past 80° with adjustable speed), and quiet locking. Full control, smooth and secure 【Customizable Closing Force】Our soft close door hinges come with an included hex wrench, allowing you to easily customize the closing speed and force. Ensuring compatibility with doors of any weight, achieving a quiet and smooth closing experience 【Built to Last】These self closing hinges are made of 3mm thick aerospace-grade aluminum alloy and can support up to 130 pounds (59 kg). They are rust-resistant and wear-resistant, making them ideal for heavy duty doors and fences 【Widely Applicable】This spring door hinge is super versatile and a breeze to install. Perfect for doors, gates, and even hidden doors, it works with exposed or invisible mounting. You'll love its sleek, streamlined look that keeps things simple and stylish. Easy installation makes it a convenient choice for any project 【Usage Notes】You might feel a slight "stick" when manually swinging the non-mortise door hinge to 90°. Don't worry – this is just the normal buffer as it transitions from positioning to the 80° closing point. This feeling lessens once installed on the door, it's perfectly normal Our 5 "Non-Mortise Door Hinge with Silent Hydraulic Buffering,Self Closing Door Hinge,Spring Hinge,Made of 3mm thick aluminum alloy, it can bear a load of 130 pounds, is corrosion-resistant and wear-resistant, ensuring the long-term and stable use of the hinge, suitable for heavy doors