Milwaukee sheet metal shears, right

Serrated cutting edges prevent slipping during cutting.
Indents for the thumb and index finger increase comfort and reduce fatigue. Allows the user to cut sheet metal with less risk of cutting themselves.
A torsion spring automatically opens the grips during cutting for faster cutting and less tiring work.
A combined lever arm simplifies cutting thicker materials.
One-handed locking mechanism increases productivity.
Slim-line design eliminates material snagging.
Hand shears: for short, straight and shaped cuts. Ideal for narrow radius and notch cuts.
Three cutting direction indicators - on top, on the handle and with a color-coded handle.
Ergonomic and durable coated grip surfaces increase comfort and last longer.