Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
I have just lost my bahco slip joint grips on a job last week, and i am absolutely gutted. Had them for nearly 3 years and saved me quite a few times. However they are quite pricey.
Blue Channel locks, (not the blue and red ones).
Reply to the thread, titled "water pump pliers" which is posted in Bathroom Advice on Plumbers Forums.
We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.