1/2-Inch 4-Ring Mechanism

Product Code: CD292-4-16/20

Carton Quantity: 250

Carton Price: $139.00

Our A4 1/2-inch 4-ring binder mechanisms are manufactured to the highest standards of quality and consistency and feature a brght nickel finish that will bring a professional look to your binders. A4 ring mechanisms are designed to accommodate international A4 paper which is 210mm x 297mm (8.27” x 11.69”). The D-style rings are spaced 8cm apart (3.125”) which is the international standard for A4 binders.

Our binder mechanisms are sold by full carton quantity only.


Ring Size 1/2-Inch (16mm)
Ring Style Straight-D
Finish Nickel
Boosters No Boosters
Ring Spacing 80mm
Rivet Holes 2
Rivet Spacing 282mm
Base Width 20mm
Base Length 294mm
Carton Quantity 250
Carton Weight 37 pounds
Carton Dimension 20.5×12.5×7.5 (LxWxH)