IsoTac Arms IsoTac KT1 Aluminum Wallet IsoTac KT1 Aluminum Wallet The IsoTac Kt1 wallet. Aerospace-inspired, rugged, minimalist, forward-thinking, RFID-blocking. Machined from billet 6061 Aluminum and made to last, this wallet will hold... MSRP: Was: Now: $70.00 - $95.00 Choose Options