Description: Gas Tank Mounting Grommets with Metal Sleeves. Molded rubber grommets. Used to mount flat-side gas tanks. Complete with metal sleeves, which have an inner diameter of 5/16". Fits: Softail models 1984/1999, FXWG 1985/1986. Specification: Inner diameter: 8mm 5/16" Height: 12mm/0.5 Inch Material: rubber Size Chart: 6 Pieces Gas Tank Mounting Grommets Package Includes: 6