Common hole sizes include small round punches of 5/64 in, 3/32 in, and 1/8 in, plus larger oblong punches around 1/2 in.
These punches work on materials such as paper, cardboard, leather, plastic, fabric, and similar materials.
Some sets include interchangeable round punches in multiple sizes, while others offer multi-head awl or punch sets (for example, 3-size interchangeable round sets and 4-in-1 interchangeable awl sets).
Many tools feature ergonomic handles or designs intended to provide a comfortable grip and reduce hand fatigue during extended use.
Common construction materials include brass, brass-plated steel, and steel.
Some punch sets include a compact storage pouch. Certain grommet tools include 250 eyelets, while others note that eyelets or grommets are sold separately.
