...
End goal: Getting the job done. Where and when he can get the part.
What's important:
Photo
Specifications
Product documents
Availability (and location of store)
Questions
Why aren't you using Ferguson.com on your phone? (you use your phone for work)
Are you not using mobile because desktop does it better?
What are the common tasks they perform on PLP?
What is the important information they need?
What environments are they using devices?
What would be the preferred device to use (tablet vs. phone)
Would help us identify what screens/views should go where
What do you use mobile for? (should we show banners or not show banners, what should we highlight)
What type of filtering is important? How?