4 sizes of ultra-fine gear reversible box end in 1 wrench, making this the most versatile wrench you own. 120-tooth ultra-fine reversible ratcheting gears with just 3 degrees of swing arc let you work effortlessly even in tight spots. Change gear directions with a simple thumb switch. 6-point WaveDrive Pro box end gives you a sure grip and satisfying turns on both unrounded and rounded bolts. WaveDrive Pro also prevents damaging and rounding of bolts. 0-degree offset provides maximum clearance. Strong and durable Chrome Vanadium steel construction and finished with our MaxChrome plating for enhanced durability and corrosion resistance. 5/16, 3/8, 7/16, 1/2 in. sizes in this 4-in-1 wrench. The Capri Tools 4-in-1 120-Tooth Double Box End Reversible Ratcheting Wrench features 4 sizes in 1 wrench, giving it unparalleled versatility. It uses 120-tooth ultra-fine reversible ratcheting gears with just 3 degrees of swing arc, letting you work effortlessly even in tight spots. Change gear directions with a simple thumb switch. The 6-point box ends feature the WaveDrive Pro design which gives you a sure grip and satisfying turn on both unrounded and rounded bolts. WaveDrive Pro also prevents damaging and rounding of bolts. The wrench has 0-degree offset which gives you maximum clearance. It is constructed of strong and durable Chrome Vanadium steel and finished with our MaxChrome plating for enhanced durability and corrosion resistance.