Rayson PD-1503 Coil Binding Machine, 4:1 Pitch Spiral Binder with Electric Coil Inserter for Max. Punching Letter Size. Manufacturer: RAYSON ELECTRICAL MFG. Compatible with 4:1 Pitch Coils Designed for binding letter-size (8.5" x 11") paper with 43 holes, ensuring professional-quality results.
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