The most common hand tools for cutting sheet metal are hand shears also known as tin snips there are several versions from the old school cleaver type to the much better scissor type that can actually be maneuvered around turns and curves.
Hand cut sheet metal.
Sheet metal cutting hand tools.
There are tools like shear cutters that are both versatile and easy to use when cutting sheet metals.
Compound snips also called aviation snips are color coded.
In this episode mark from natoli panel creations discusses some tips and concepts behind hand cutting sheet metal with tin snips electric shears and a guil.
Details about 160a hand sheet metal nibbler saw cutter dual head metal cutting tool power.
Among other tools there is hacksaw which is also for short and straight cuts.
160a hand sheet metal nibbler saw cutter dual head metal cutting tool power.
They are great for making small cuts.
I d recommend starting your collection with an offset compound snips photos 1 1a and 2.
Start by taping both sides of the sheet metal directly over the line you want to cut and clamp the metal to a work station so it doesn t move.
The method you choose to cut sheet metal depends on the thickness of the metal and the type of cut you plan to make.
The cutters are offset below the handle so you can keep your cutting sheet metal hand above the work and the compound action allows you to cut thicker material with less effort.
To cut straight lines use an electric saw.