Kreg Tool Company KKS2769 69" Clamp Track Kit Can be mounted two ways: Surface Mount or Flush Mount Accepts all Kreg Bench Clamps Includes 27" Trak and 69" Trak Designed to fit benches 30"x72" and larger Compatible with 20"x64" Kreg Universal Bench Each Trak measures 21/4" (57mm) wide by .695" (17mm) thick