It's 17mm bolts on that year Camry.
21mm
14 mm
I believe the caliper is held by 14 mm bolts.
To replace the rear brake pads on a 1992 Toyota Camry, first lift the vehicle with a jack and remove the rear tires and wheels. Then, remove the caliper with a socket wrench and remove the old brake pads from the caliper. Remember to place the new pads onto the caliper with the indicator plate pointing in the direction that the tire turns. Replace the caliper and tighten the caliper piston clockwise before you put the tires back on the vehicle.
Metric Allen wrench.
It will be a 14 or 17 mm wrench.
You need a 15 mm regular wrench.
10mm or 3/8
Lug Wrench to remove tire & Wheel Socket Wrench or Hex Wrench to remove Caliper bolts Large "C" clamp to collapse caliper piston Rags, and a good spray brake cleaner
You need a 3/8" Allen wrench to remove them.
In order to remove the oil filter from a 2007 Toyota RAV4 you need to use an oil filter wrench. This wrench is a specialty to Toyota.
9mm Allen wrench