York sts dip attachment york is a company built on history since 1932 when bob hoffman founded york barbell from yorks foundations in the decades of the 1930s through to the 1970s york flexed its muscle with its olympic lifting teams key features of the york dip attachment dip attachment for use with the york college and half rack 12mm steel plate and 40mm rounded steel to create an attachment that can be used by any size athlete the dipping arms are angled from narrow to wider hand spaci