I've never seen 'stock' tools in any Lidl. They're always a special offer round here. Of course, sometimes get reduced further - if they don't sell.
I haven't bought a lot from them - simply because I already have most of what I need. But here's a rough list of things I've bought and would recommend. Of course they may never come up again.
Titanium coated twist drill set in 0.5mm steps from 0.5 - 10mm in a flip out steel case. Cheaper than Screwfix and of excellent quality.
Torx, allen and pozidriv etc set with extensions and ratchet handle. Has had heavy use (torx and allen) and stood up well. Incredible value.
VDE side cutter, plier, and wire stripper set. Bought for use where my 'posh' ones might get lost or stolen. Perfectly usable.
9" angle grinder and diamond cutting discs. Did what it was bought for easily and again incredible value. Soft start too.Random orbit sander and assorted discs. Again, incredible value.
Electric stapler. Staples not easy to find in a shed - but are actually a Bosch standard so can be bought mail order etc or from Lidl when on offer. Again nothing else close to the price.
SMPS battery charger. Does recovery and float. Available elsewhere at 4x the price. Been mentioned here and elsewhere many times.
One thing not at all car related - their support rods. Locking telescopic with fine screw adjustment - used for supporting plasterboard etc to a ceiling before fixing. Simply a superb design and fantastic value.
I've bought other things too - but those are the highlights that spring to mind. All have been more than satisfactory and none have given problems. On that basis I'd say they select everything else like this to the same sort of standard.
Just that there's not a handy one to anywhere I regularly go. And can't see much point in making a special trip. But a mate bought a pair of snipe nose pliers which bent on first use. So market stall quality.