Dimensions of 75-019 wheels?

A home owner from CT says:
Product Code: 75-019

What are the dimensions of the wheels-convex and concave??
I need to replace screen latches and screens and need right tool.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
The wheels both have a 1-1/2" outside diameter, one convex and one concave. The wheels are also ball bearing and work very nicely; I keep one of these in my tool box.
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