I've used the Cable Matters keystone Cat 6 jack over the past 10 years and never had any issues with them. As for cable, just make sure you buy solid copper. None of that copper clad garbage.
Any recommendations on keystones and relevant tools to purchase to crimp them? I know we discussed RJ45 (8P8C) plugs here but I was curiosu about keystone jacks. Platinum Tools wasn't immediately ...