Just had a buyer message me - I am after a knife block, could I come and have a look and pick one up at the same time?

I don't want to come across as rude, but I also don't want someone coming to my home to 'have a look see'.

The way I work is that I always have 5 or 6 of each of my items, boxed/packaged ready to go (1 day handling time) at my home, and other stock in a storage unit.

How would you word the reply? I don't want to sound unfriendly but have never been asked this before and would prefer not to do it