The Wingback Key Cache brings that idea into everyday carry, adding discreet storage to the keyring you already keep close. It securely clips onto your keys and features a hidden compartment sized for banknotes, essential medicine, or an “if found” note in case your keys go missing. Machined from a solid bar of aerospace-grade metal, the Key Cache is built to last for decades, not months. Whether used for emergency cash, a small backup dose of medicine, or a simple note, it offers quiet preparedness in a refined, pocketable form. Capacity: Fits GBP, Euro, USD, and other banknotes up to 160mm x 82mm. The Key Cache is designed to work seamlessly with the Wingback Key Loop. Fits on your keyring while hiding a secure compartment. Key ring (pictured) included. Fits at least one banknote of any currency. Additional room for a message with your vital details. Laser engraved, assembled by hand and packaged in London, UK. Hermetically sealed to keep its contents dry. Brass: Aerospace grade brass from Europe, CNC machined in Birmingham, UK. Steel: Aerospace grade 316 stainless steel from Europe, CNC machined in Birmingham, UK. Black Steel: Aerospace grade 316 stainless steel from Europe, CNC machined in Birmingham, UK. Tungsten carbide carbon finish applied in Cambridge, UK. Dimensions: ~1.6" x .5" (40.50mm x 13.6mm) diameter (outer), ~1.25" x .4" (31mm x 10mm) diameter (inner)
