IJO1039 Features: * Lighter than competitive tools on the market * Light in weight, made of aluminum * Cap is perishable and can be replaced, rather than returned as defective * Competitively pricedAluminum tool efficiently transfers striking power and is lighter and easier for the technician to use than other tools on the market. Use with a hammer to install the axle seal onto the axle shaft. Then press the axle shaft into the wheel knuckle to help prevent vacuum leaks. Cap is made of steel so it can be replaced if needed. * Axle Shaft Seal Installer Warranty: * Lifetime warranty does not cover abuse