saw used with one hand for cutting metal

a basic tool that will cut through all sorts of tough things, metals included

a poor choice because the narrow blade tends to wander easily

a tool for sawing

a useful tool that works on the simple principles of a Ouija board

This fine-toothed saw with a replaceable blade will cut a variety of materials, but its specialty is metal. Mount the blade in the adjustable holder so the teeth slant forward to cut on the push stroke. Home Improvement Encyclopedia

Wide, shallow saw frame that's shaped like an inverted U with a fine-tooth blade across the ends of the U and a handle on the other end and is used to cut metal.

small toothed handsaw for sawing metals.

A hacksaw is a saw for cutting metal or bones. Some of them have pistol grips which keep the hacksaw firm and easy to grip. It is a fine-tooth saw with a blade under tension in a frame.