What is this? Lever Handle is used to replace your broken handle of the ball valve and ensures good performance. Application： 1.This valve handle allows you to safely open or close because there is a layer of insulating glue on the handle of the valve. 2. Pay attention to the size of the hole before buying, as long as the hole size is appropriate, you can use it. Note: 1.Please allow 1-2mm differs due to manual measurement, thanks. 2.The two ball valve handles in the package have different volume sizes, but the size of the screw holes is the same, which has no effect on the use!