Sears has the Craftsman Dog Bone SAE (also Metric) Wrench on sale for $15 - 5% off with this link (click first) = $14 with free in-store pickup or $7 shipping. Features a built-in 8 lb. magnet and fits 8 SAE socket sizes: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, and 13/16".
^ It'd probably be easier with a wrench having no play (no pivot), and of course you'd need to know what size nuts your vehicle(s) have. They might also be too shallow depth for certain types of lug nuts, better to get a tool meant for the job.
^ not necessarily, wear gloves and pay attention to details though that doesn't overcome the possibility that the socket is too shallow or the wrench too short to get good leverage if a nut is over-torqued.
Could I use them to change tires?
^ It'd probably be easier with a wrench having no play (no pivot), and of course you'd need to know what size nuts your vehicle(s) have. They might also be too shallow depth for certain types of lug nuts, better to get a tool meant for the job.
It was a joke. You'd bust your knuckles and scratch your wheels and lugs.
^ not necessarily, wear gloves and pay attention to details though that doesn't overcome the possibility that the socket is too shallow or the wrench too short to get good leverage if a nut is over-torqued.