A simple tool to look at, the Gear Wrench Combination Wrench can make day to day repair tasks a lot easier The box end of the wrench has Surface Drive that enables off-corner loading and easier fastener rounding Surface Drive Plus on the open end offers stronger grip and up to 25 percent more torque The locking pivot joint is great for those hard to reach places since it can enable 13 different positions If rapid piston pumping motion is what you are looking for, simply unlock the pivot joint and get started The pivot joint of the wrench enables 13 different positions to ensure that you can access hard to reach places easily The pivot joint can be unlocked to enable rapid piston pumping motion for extra convenience