Be ready for anything with the Dango A10 Adapt Bifold Pen Wallet. This handcrafted wallet is made from anodized machined 6061 aerospace grade aluminum and features a 48-page notebook and anodized aluminum pressurized ball point pen. Carry as a low-profile 5-card wallet or attach the A10 adapter for 4 additional card slots. A removable RFID plate gives you additional security. The A10 Adapt Bifold Pen Wallet is compatible with all Dango A10 adapters and is proudly made in the U.S.A.