Two (2) Faultless 2"-dia wheels, non-swiveling, cast iron wheels, very heavy duty. Great for tool cabinets or other heavy equipment. Brand new, Made in USA. $20 for the pair.
Two (2) Colson 4"-dia swiveling caster with poly wheels, 3/8" threaded stem mount. Not sure of weight limits but they aren't cheap chinese junk. Colson are made in USA. Very lightly used. $15 for the pair.