T shaped key 57mm long to unlock all quarter turn series with a 7mm Square
https://www.allbro.com.au/itemdetails/hardware/locks/keys/keys-(5)/t-shaped-key-57mm-long-to-unlock-all-quarter-turn-series-with-a-7mm-sq?code=7.2.135.1&type=2&access=2&id=4941d6b0-5c68-49c4-85fe-b6ae0552109a
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