Progress Lighting P8601-104 Stem Extension Kit with 2-12-Inch and 2-15-Inch Stems Included, Polished Nickel Polished Nickel Finish Use stems in any combination to achieve desired overall length Size: 54-Inch Length, 1/2-Inch Width, (2) 12-Inch & (2) 15-Inch Height Use only with Progress Lighting or Thomasville Lighting fixtures Progress Lighting has over 5,000 lighting fixtures offered in our catalog, the largest single source for residential and commercial lighting