OTC's Fully adjustable Gland Nut Wrench fits hydraulic cylinders on vehicles having gland nuts from 1 inch to 3-3/4 inches in diameter. Reversible design also works on either 7/32 inch or 1/4 inch pinholes. Intended for use with a 1/2 inch drive ratchet or breaker bar. High-grade materials ensure quality performance over the lifetime of the tool. Value is at the core of the OTC tool and equipment portfolio. Whether it's a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it's a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians' productivity and shop profits.