Rorito Racer gel pen

Holds documents firmly, Leaves no marks of binding
No punching or piercing of documents, Does not destroy documents
Corrosion-resistant steel, Re-usable
Nickel-Plated handles can be removed for permanent binding
Clip size: 32mm,

A thin piece of metal with a sharp point at one end and a round head at the other, used for fastening pieces of cloth, paper, etc.