The Lisle 19mm Harmonic Balancer Socket - 77080 is an essential tool for all mechanics. This socket is designed to remove and install harmonic balancers and crankshaft pulleys without damaging the balancer or crankshaft. It is constructed of durable chrome molybdenum steel and features a 1/2” drive for maximum torque. The 19Mm socket fits most import and domestic applications and is perfect for automotive technicians and DIYers alike. The Lisle 19Mm Harmonic Balancer Socket - 77080 is a must-have for any toolbox.