We have some things that we cant do without the help of those devices that we normally seeing around the house like the knife that use to cut all of those veggies and beefs, that tools that can fixed all things defected inside the house and the most importantly was this casters , Yes! caster is really important because you may use it to bring those bulky things to the places that you wanted to, because this has an ball on the bottom that can push the look cart caster to the place you wanted. So yeah! use the caster.