It would be more surface area which would require more down pressure. You can save money by getting the 4" then cut them in half and you need half as many and a 4" half is very close to a full 3".  

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On 15/07/2012, at 3:43 AM, Freddie DeJesus <> wrote:


What is the differance between a 3" or 4" pad for grinding and Honing?
Wilfredo DeJesus
Elite Flooring Inc.
Website /

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