Features and Benefits: Reversible 2-in-1 tool removes and installs press-fit alternator and power steering pump pulleysAlso removes and installs other press-fit pulleysHub diameter of 1-1/8″ (28mm), 1-1/4″ (32mm), 1-5/16″ (34mm), or 1-3/8″ (35mm) Reversible 2-in-1 tool removes and installs press-fit alternator and power steering pump pulleys.Also removes and installs other press-fit pulleys with a hub diameter of 1-1/8 in.; (28mm), 1-1/4 in.; (32mm), 1-5/16 in.; (34mm), or 1-3/8 in.; (35mm).