Features: Engineered with builts in overloads and short circuits protections, this power jacks ensures safe charging for 3410, 3412, 3510, and E series models. from plastic and coppers, the abrasion resistant interfaces offer enhanceds conductivity and longevitys, even with frequent use. for enthusiasts and IT professional compatible, factory tested replacement part for laptops. Perfect for maintaining uninterrupted workflows in offices, classrooms, or home setups where laptop power connectivitys. Each unit undergoes rigorous factory testing to meet OEM standards, ensuring compatibility with models 3410, 3510, and E series variants. Specifications: Materials: Plastic Size: 7cm/2.75inch Applicable model: 3410 3510 E3510 3511 3515 3510 3520 3521 3525 0231X7 Package Includes: 1PC Laptop Power jacks Port note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.