Description: It is of high quality. Feature: High quality TESTED IN GOOD WORKING SITUATION Made of high-quality materials, durable and perfectly matched with the original version Other features: stable characteristics, high reliability, according to the original factory specifications. Easy and simple installation Applicable model: For HP- 688 3070 3070A 3520 3521 3522 3525 5525 4610 4615 4620 4625 5510 5514 5520 Use scene: printer nozzle Printer Head only, other accessories demo in the picture is not included Specifications: Item Type: Printer Head Part Number : CN688A Material: ABSMetal Color: As pictures shown Size: 12x9.5x6.5cm Applicable model: For HP- 688 3070 3070A 3520 3521 3522 3525 5525 4610 4615 4620 4625 5510 5514 5520 Quantity: 1 Pc Precautions: 1. The head surface of the nozzle is very fragile and must not be bumped. It must be protected. 2. Before installation, please make sure that the other parts of the printer are normal, especially the motherboard to ensure that they are normal, otherwise the new print head may be burned out. 3. Please let professionals install or operate, damage caused by human causes, NO refund. Note: Transition: 1cm=10mm=0.39inch Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Printer Head