yea this is honestly pretty common, i work at a cadillac dealership and some of these older models are notorious so you just cross your fingers when you get one. Ive heated up bearings and sprayed them down, used pullers and the biggest slide hammers out there and still had to do the same thing...
i have a mac rebranded step stool exactly like that prolift. it really is junk idk how it could be improved tho. the pads tears within a month. the rubber feet wear out in the same amount of time. it slips on just about any surface. i did put some grip tape on the top of it that helped a very...
I always hear/see people getting these killer deals at pawn shops. I have had no such luck the places around me want as much as the tool trucks do for old common stuff and usually pick through what they get and put the nicer stuff on ebay or sell it to buddies.
Been using their 1/2 inch deep impact sockets daily, in a professional setting for 2 years with not a single issue. Laser etching on the sockets dont last long though