one way to cope with the space constraints of a tiny wood shop is to put everything on wheels!

• retractable casters make it possible to have bomb-proof sturdy workbenches, with a solid connection to the ground when in use... but still have the ability to flip down wheels so you can move it out of the way. Versions of this from competitors:
  • by Rockler, with a claimed capacity of 100 lbs per wheel
  • by GBL Castors, with a claimed capacity of 125 lbs per wheel
  • by SOLEJAZZ, with a claimed capacity of 165 lbs per wheel
  • by Ronlap, with a claimed capacity of 220 lbs per wheel
  • (list of "retractable casters")
• retractable leveling casters
  • by W. B. D. Weibida, with a claimed capacity of 550 lbs per wheel
  • by LARRO, a range of models with a claimed capacity per wheel from 50-750 kg (110-1650 lbs) (although the 1650 lb model costs $95 per wheel)
  • (list of "retractable leveling casters" at Amazon)
  • (list of "machine casters" at Amazon)
  • (list of "leveling casters" at Caster Depot)
• (list of "caster brakes" at Caster Depot, which could potentially be used alongside their medium-duty or heavy-duty casters)