Any unevenness with mine has always been air. Sometimes it takes a few up and down cycles and then letting it sit overnight for bubbles to settle at the top and be bled out.
The picquic is a good driver. It will hold and use all the two inch bits I've tried. I've replaced several of the bits that come with it with more useful ones for me and I keep a 1/4 5/16 and 8mm 10mm flip bits with it for those needs.
I do the same with Chinese tools off Amazon that use the Milwaukee batteries that I already own. If I use it enough to destroy it I seriously consider buying the Milwaukee version.
Just pulled the first of the new Koken Zeal quick release ratchets out of my mailbox. By the time I realized they were up for order all I could get was the 2725ZB, or the short fixed 1/4 inch drive ratchet. It's a jewel. I've been waiting for 1/4 since they released the 72t 3/8 ratchets and I'm...
I like waterproof storage for track tools. It rains. And your stuff is sitting in paddock. Just part of track life. Figure out what you need to work on your car and get those from HF or Tekton. Make sure your waterproof storage is long enough to hold your torque wrench (I'm assuming cars here)...