1: LARGE CAPACITY BINDING: Each 5/8 inch twin loop wire spine holds up to 140 sheets of 20 lb paper securely for professional and long-lasting binding results
2: COMPATIBLE 2:1 PITCH DESIGN: Works perfectly with most standard 2:1 pitch wire binding machines and manual or electric binders with disengaging pins
3: VARIETY OF COLORS FOR ORGANIZATION: Includes 50 pieces in 5 elegant colors gold silver rose gold white and black 10 pieces per color ideal for color-coded project classification
4: STANDARD LETTER SIZE FIT: Measures 11 inches with 21 loops designed for letter size paper easily trimmed for customizing smaller booklets notebooks or reports
5: STRONG METAL CONSTRUCTION: Made of metal with a double-loop structure providing stability and a sleek finish suitable for reports presentations planners and classroom projects