True TRU-FMK-1009 Berm Keychain Knife. The BERM is TRUE’s smallest flipper knife. The 1.5“ clip-point blade is ready to pierce and slice while the Titanium Nitride coating backs you up with enhanced durability and corrosion resistance. Whether you choose to carry the BERM with the deep-carry pocket clip or prefer to attach it to a key ring with the integrated carabiner, you’ll never be without a knife when you need it.