The ST315 staples are 3.15mm (10½ ga) Gauge in diameter and are recommended to be used for battens/stays/droppers or other fencing applications such as predator control fencing, pet enclosures, poultry fencing and other rural applications.

The ST315i staples are 3.15mm (10½ ga) in diameter and are recommended to be used for battens/stays/droppers or other fencing applications such as predator control fencing, pet enclosures, poultry fencing and other rural applications.

The ST400 barbed staples are 4mm in diameter and are recommended to be used for rural livestock fencing, medium mesh, heavy mesh and heavy woven fencing. It is also great for highway boundary fencing. 

The ST400i barbed staples are the World's only power-driven barbed staples and are 4mm/9ga in diameter and are recommended to be used for rural livestock fencing, medium mesh, heavy mesh and heavy woven fencing.