Work With Most Vehicles - Universal rubber adapter designed to fit most brake nipples, to drain most standard and ABS brake systems. Efficiently For Bleeding Work - To bleed and flush hydraulic brakes and clutches on cars, motorcycles, ATVs, trucks, etc. Work with FIRSTINFO brake fluid bleeders. Replacement of the rubber adapter for brake hose and brake bleeder kit. Easy to operate, one person can finish brake fluid replacing work.