If you have lost the Arregui keys to your mailbox, then Post Boxes UK can help. Simply order online, or send an email to [email protected], with the following information: Arregui key reference Your name and delivery address Please note that we cannot accept refunds on cut keys. Please ensure that you type the correct key code, and that the key you require is single sided (cut to the top only of the key profile). Arregui also do double sided keys with the same key references which do not work in the single sided lock. We will then forward an invoice to you and upon receipt of payment we can despatch the replacement keys to you same business day (for orders before 12:00). Availability - ex-stock. Cost includes Recorded Delivery (insured for loss / non-delivery) within UK. Orders from overseas may incur an additional postal charge. Should you require any further information, please call Post Boxes UK today on +44 (0)1922 218218. Alternatively, your enquiry can be emailed to [email protected] Thank you. Please note that Post Boxes UK can not be held liable for keys supplied which do not work with the intended lock. Refunds cannot be give on cut keys. Post Boxes UK cannot be held responsible for keys delivered to a physical post box, letterbox or mailbox, regardless of method of sending. All keys supplied are done in good faith on the assumption that the buyer is also acting in good faith. Please ensure that you type the correct key reference when ordering.