It's been awhile between projects, and I had to dust off my model 2000 to put a new edge on some chisels. I noticed quite a bit of play between my straight edge jig and the universal support rod. I don't recall this much play before, and never had a problem with putting on a nice, straight edge. Can the plastic inserts in the jig be easily replaced, and if so, where can I obtain them? Maybe this is my excuse to purchase the new square edge jig. I'm also considering the new threaded support rod. Any comments if the upgrade is worth the expense?