a hand tool that is used to hold or twist a nut or bolt

an adjustable wrench designed to fit hexagonal nuts with the adjusting screw built into the head of the wrench

adjustable wrench that has one fixed and one adjustable jaw

adjustable wrench for gripping and turning a pipe; has two serrated jaws that are adjusted to grip the pipe

adjustable wrench that has one jaw that can be adjusted by turning a screw

A type of slip-joint pliers with serrated jaws generally set 45– to 60-degrees from the handles.