Item Type: PrintheadMaterial: PPE, PPSWeight: Approx. 62g/2.2ozApplicable Model: For WF7521, WF3531, WF7511, WF7011, 7018 .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Strong Compatibility: This printer head is suitable for WF7521, WF3531, WF7511, WF7011, 7018. You do not have to worry that the print head is not suitable your printer. 2High Practicability: This is a high quality after sales product with stable performance and high reliability which is suitable for replacing your damaged one. 3High Quality Material: This printhead replacement is made of high quality PPE and PPS, which has the function of anti rust and will not fade. 4Light Weight: The print head is light. If you can not replace the printhead, you can take the printhead to the maintenance station for installation, and the light weight make you feel convenient to carry. 5Guaranteed Function: 2 function tests have been conducted after production and before delivery. The function of the printhead is guaranteed to ensure your good use experience.