Hatco HDW-CASTER-5 5" Locking Casters, For HDW-1, HDW-2, and HDW-3 Drawer Warmers
$178.75
The Food Warmer Accessories by Hatco: Casters, 5 diameter, locking (adds 6-1/4 to height of unit) ( Hatco - HDW-CASTER-5 )