LOAD CAPACITY: 750 LBS /EA TOP PLATE SIZE: 4” X 4-1/2” / BOLT HOLE SPACING: 2-5/8” X 3-5/8” (Slotted to 3” x 3”) OVERALL HEIGHT: 6-1/2” / MOUNTING BOLT SIZE: 3/8” (Not Included) 5" x 2" Swivel Maroon on Gray Caster TEMPERATURE RANGE: -40F – 180F