Set includes sizes: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4".

• 13 locking positions allow you to reach around obstructions to turn nuts and bolts in hard to reach places
• Quickly tighten or loosen fasteners by locking the pivot joint and pumping the wrench with a push-pull motion
• Lock the pivot joint in the straight postion for the strength of a typical straight wrench
• Up  to 23% longer for excellant leverage and access to hard-to-reach fasteners
• Stronger grip on fasteners and up to 25% more torque