284G  

In sturdy sheet steel with handles coated in soft material, and a head composed of special, burnished alloys. Spring ring type with a round cross section.
Jaws with 360° swivelling dowels with grooves for attaching the ends of the rings in places where access is made difficult. Handle with ratchet and stationary movement.

For spring ring binders, two-wire see Art. 3474 VE.