Magnetic Key (Set of 2) for CDG CAT Flap ELM-#254 Size: One Size Color: Black Brand: Cat Mate Shape: Rectangular Manufacturer: CATMATE Unit Count: 1 Cat Mate 257 - Key Common key for (Magnetic Door M, Magnetic Door L, Glass Magnetic Door) 15 x 18.8 x 25.9mm Weight: Approximately 10g I am selling these because I no longer need them. If anyone would like to use them, please consider purchasing. These are new and unused. These items have been stored at home. Please refrain from purchasing if you are sensitive to minor details. Thank you for your understanding and purchase.