I realized the model number was different after purchase... I opened the outer box, but it's unused. I can ship it immediately, thank you. The Panasonic ES 9510 replacement blade set is compatible with multiple models and has a usage period of 1.5 years. - Brand: Panasonic - Model: ES 9510 - Type: Replacement Blade Set - Compatible Models: ES-L50DD, ES-L50U, ES-L570D, ES-L570W, ES-L580U - Usage Period: 1.5 years Thank you for looking.