What size are these snap caps? Handle size 6-8? Size 10?

A quick learner from SC usa says:
September 29, 2016
What size are these snap caps? Handle size 6-8? Size 10? No mention in the description. Thanks
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Paul from SWISCO responded:
October 3, 2016
Hello! The 5/16" bottom clear washer can take pan head screws up to #8 in size.
White Snap Cap Screw Cover (5 Sets)
White Snap Cap Screw Cover (5 Sets)
67-017
$1.14
How to install a screw cap cover
How to install a screw cap cover
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