Krowne 1 5/8" Stem Caster, swivel with brake, 5" diameter, 220 lbs per caster load capacity, grease resistant, raises height of equipment 6" (set of 4)​​‌​‍​​‌‌​‌‌‍​​‌‌​‌‌‍​​‌‌‌​‍​​‌‌‌​‍​‌​​‌​‍​​‌‌‌‌​‍​​‌‌​‌‍​​‌‌​​‍​​‌‌‌‌​‍​‌​​‌​‍​​‌‌‌‌‍​​‌‌‌‌‍​​‌‌​​‍​​‌‌‌‌‍​​‌​‌‌‍​​​‌‌‌‍​​‌‌​​‍​​‌​‌‌‍​​‌‌‌‌​‍​​​‌‌‌‍​​‌‌‌​​‍​​​‌‌​