CAML curb corner, shower door

A home owner from Canada says:
Looking to replace the J style sliders on my shower door made by Caml . Holes for the sliders in the glass are only 5 mm. Are part # 10-058 rollers suitable for glass doors with 5mm holes?

I need a total of 4 for each door, two top and two bottom. The picture on your clip shows 2 for each door, one top and one bottom. Please clarify. Thank you for your assistance!
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Dave Sr. from SWISCO responded:

Thank you for reaching out to us. I'm afraid we don't know if this part is suitable for glass doors with 5mm holes. All that we do know is that the 10-058 will replace what you show in these photos. 

As for how many to use, you will need to use the old door as a reference. 

SWISCO 10-058 Shower Door Roller and Bumper Kit
SWISCO 10-058 Shower Door Roller and Bumper Kit
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How to install the 10-058 shower door rollers
How to install the 10-058 shower door rollers
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