Lock handle is loose -- what size hex for the set screw?

A quick learner from Texas says:
May 4, 2017
The inner handle of my Atrium lockset is loose and I can only hand tighten the set screw a little. I no longer have the hex key included with the kit -- can you tell me what size the hex key is so I can get this tightened up? Thanks!
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Tom from SWISCO responded:
May 9, 2017
Thanks for posting! The 82-400 uses a 3/32" hex key.
Brass Atrium Door Lever Lockset
Brass Atrium Door Lever Lockset
82-400
$101.70
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