Do you find it difficult to access your office equipment? If you want to make your office hours more comfortable, then this pair of optional casters from the Training Tables by OfficeSource collection is just the item for you to invest in. Available only in pairs, these casters are the office equipment that you need to make your life at the office easy and comfortable. These casters work not only with office chairs, but also with pedestals and other office furniture. These casters are an economical option that increase the height of the furniture they are added to by one inch.