Potential hazard, it has 2-core cable and 3-pin outlets!
Also, they say it's 2x1mm2 and that it's 16A (Bangkok cable 2x1mm2 VCT is 10A in free air
https://www.bangkokcable.com/system/product/file_upload/210524_450!750V 70C VCT_1-4core_Rev04.pdf )
The red metal one appears also to have a 2-pin plug which would mean that the metalwork cannot be grounded! And the 3-pin outlets problem as above too.
The middle plastic one looks OK, but we don't know the size of the cable, should be 3x1.5mm2 (it's sometimes called 2-core with ground just to confuse) for 16A minimum.
We have one of the red ones (ours is yellow), but it's long since had the cable replaced by 3x1.5mm2 and the metalwork is connected to the ground pins of the outlets.
In the end it's actually cheaper to buy the bits and make your own cables, and you know it's made right.
Your pressure washer is 1,800W, so about 8A and it's likely double-insulated so it would actually be safe on all of your quoted leads (still really should have the red one's metalwork grounded).