T shaped key 57mm long to unlock all quarter turn series with a 6mm square drive
https://www.allbro.com.au/itemdetails/hardware/locks/keys/keys-(1)/t-shaped-key-57mm-long-to-unlock-all-quarter-turn-series-with-a-6mm-sq?code=6.1.12.1&type=2&access=2&id=2f19ba4d-0f2e-4f39-b42d-39a62a933af7
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