S.U.R.&R.'s Fluid Line Stopper Clamps are a great way to save money on fluids, cut back on cleaning supplies and the labor involved in cleaning up the mess. Available individually or as part of the FLS330 Fluid Line Stopper kit. Product Features:Universal design - use to plug lines 3/16 to 1/2 including banjo fittingsPrevents messy fluid leaks and contamination during servicePerfect for brake, fuel, transmission, coolant lines and moreSpring loaded stopper installs in seconds