adjustable end wrench Crescent wrench: adjustable spanner shifting spanner shifter wrench: The most common type of adjustable wrench in use today. The adjustable end wrench differs from the monkey wrench in that the gripping faces of the jaws are displaced to a (typically) 15 degree angle relative to the tool's handle, a design feature that facilitates the wrench's use in close quarters.
A wrench is a tool used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning. In Commonwealth English (excluding Canada), spanner is the standard term. The most common shapes are called open-ended spanner and ring spanner.
Klein Tools D203-6 Needle-nose pliers (also known as pointy-nose pliers, long-nose pliers, pinch-nose pliers or snipe-nose pliers) are both cutting and holding pliers used by artisans, jewellery designers, electricians, network engineers and other tradesmen to bend, re-position and snip wire.
They're called water pump pliers because they can be used to hold a pump hub or pulley while loosening a fan. It's a universal term that probably has its roots removing engine-driven fans on old Domestic cars. Every toolbox should have a selection of channel-locks and adjustable wrenches. Not ideal, and almost never "the right tool for the job" but in some cases the they're the only tool for the job, especially if there's rust or oddball sizes involved.