the set is gunmetal chrome plated. So it is plated, just more of a grayish chrome.
https://www.lowes.com/pd/CRAFTSMAN-282-piece-Gunmetal-Chrome-Mechanic-s-Tool-Set/1002618996
I've tried many styles over the years; this is my favorite. Longer and wider than most, unusual but comfy and easy to use shoulder strap system.
https://www.homedepot.com/p/Bucket-Boss-26-5-in-3-Pocket-Duckwear-Super-Shop-Apron-80300/205070671?MERCH=REC-_-pipsem-_-205070668-_-205070671-_-N
Here are a few pics of an International Forge Co. 1/4" ratchet that recently sold on eBay as part of a misc ratchet lot:
https://www.ebay.com/itm/Vintage-Lot-Craftsman-1-4-3-8-1-2-Drive-Ratchets-Kal-Crescent-Tools-Nice-/193510434418?_trksid=p2385738.m4383.l44720.c10&nordt=true&rt=nc&orig_cvip=true
you could try looking through the numerous vintage Starrett catalogs here to see if you can find a match:
=subject%3A%22tool+catalog%22"]https://archive.org/search.php?query=starrett&and[]=subject%3A%22tool+catalog%22
Wallpaper knife seems to be all there is (?):
This one is made in USA:
https://www.amazon.com/Hyde-6113-31550-Change-Wallcovering/dp/B000PSB1K0/ref=sr_1_8?dchild=1&keywords=wallpaper+knife&qid=1592702538&sr=8-8
motion activated security camera. Ring sells one that will send you a text if someone enters during off hours, lets you review recordings of times when motion is detected, and allows you to live view any time. About $60, connects to your wifi network.
Here's a couple links to Lazzar's, which has the largest selection of hydraulic jack docs I've seen on the web.
Main page for jack diagrams, etc:
https://www.hcrcnow.com/drawings
Hein-Werner page:
https://www.hcrcnow.com/drawings/hein-werner
Here's a link to a parts diagram/manual for HW OLD...