Three exceptional O2 wrenches:
The multifunction TK3 has a built-in window punch and bottle opener.
MRI safe TK1 and TK2 work at three different angles.
Made from ultra-light weight super strong aluminum all easily fit a carabineer or keychain.
Made of ultra-light weight, strong aluminum alloy & fit easily on a carabineer or key chain.
Superior in design with the flexibility to be used in many situations.