2PCS 5.5 Wooden Door Inch Butterfly Hydraulic Self-Closing Silent Adjustable 175° Open Hinge

2PCS 5.5 Wooden Door Inch Butterfly Hydraulic Self-Closing Silent Adjustable 175° Open Hinge. Adjustable Closing Speed: Speed varies by angle: faster at 90-30 degrees, slower at 30-15 degrees, adjustable at 15-0 degrees. Arbitrary Stopping Angle: Allows the door to stop at any angle between 160 and 90 degrees. High Load Bearing Capacity: Each hinge supports up to 50kg; 3 hinges for 80kg, 4 hinges for 100kg doors. Durable Aluminum Alloy Construction: Made from space aluminum alloy with 4mm thickness for long-lasting strength. Silent Self-Closing Function: Automatically closes the door quietly when opened less than 90 degrees. 12 Months Warranty Coverage: Includes 12 months of after-sales service and warranty for all mechanical defects. Flexible Customization Options: Offers full, minor, and flexible customization based on samples or designs.