Features: Crafted from high strength aluminum alloys, this universals door frame corner connector ensures corrosions resistance and structural stability, compatibility with wood, aluminum, and PVC doors for long lasting performances. Featuring a standardized angles slot design, it seamlessly integrates with multiple door frame dimensions, offering simple installation and enhanced load distribution for secure alignment. Ideal for enthusiasts, homeowners, and professional contractors seeking reliability hardware solution for residential renovations or commercial door systems upgrades. Perfect for reinforcing entryways in residential homes, office partitions, and commercial spaces requiring sturdy door frame connection that withstand frequent use. The included step by step guide and pre drilled holes enable quick assembly, optimizing renovation workflows while maintaining precise 90 degree angles for professional door installations. Specifications: Color:Three Choices Dimension:5x5cm/1.96×1.96in 6.36x6.36cm/2.5×2.5in Component:aluminum Package Includes: 10pcs Universals Corner Slot Connector note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.