113 is Emerson Electric Co. , so that's who makes these. In terms of buying the casters, will you be moving the band saw around a lot? If so, it might be a good investment. I put my saw on a rubber mat to dampen any noise or vibrations. Once I put my saw in place it has stayed there for over three 3 years. If you are not going to be moving the saw around, don't waste your money. You can get some other nice tolls instead lol How do you like the saw?