RT-03 are retractable key chain, key-ring ( keyring, keychain or key holder ) for door keys, car keys, ID holder or  name badge holders.
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Badge Reel: RT-03 Retractable Key Chain, Key-Ring ( Keyring, Keychain ).
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RT-03 Retractable Key Chain, Key-Ring ( Keyring, Keychain, key holder )

RT-03 Retractable Key Chain, Key-Ring ( Keyring, Keychain, key holder )