Graphite powder is far better for locks and things because it is a dry lube and will not attract dust. If you keep putting oil into your lock it will gunk up unless you give it an occasional clean with a degreaser, much like your chain does.
@JDB started
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Graphite powder is far better for locks and things because it is a dry lube and will not attract dust. If you keep putting oil into your lock it will gunk up unless you give it an occasional clean with a degreaser, much like your chain does.