I'd like to recommend an online woodworking finishing supplies store in Canada.
Everything is pretty hard to find where I am. It's not the end of the world, but I can see it from here. So I have to resort to sniffing around online to find what I need.
It's called Wood Essence out of Saskatoon, Saskatchewan. I recently ordered a few hard-to-find things from Jeff Richardson at Wood Essence, and he was just great to deal with.
Wood Essence has a good selection of interesting things, and Jeff's Customer Service was really above and beyond the call of duty. The prices are good, and the website is really well-designed and easy to navigate. I can't tell you what I ordered because it's part of The Box Swap, but it was great to talk to someone who knew his woodworking and could be really helpful.
Five stars for Wood Essence.
P.S. I have no affiliation with this company other than being a happy customer.