Manually punches up to 15 sheets of 80 gsm（20 lb） paper at a time. And binds up to 130 sheets of 80 gsm (20 lb) paper with 5/8 inches(15.9mm) wire-o binding
One handle for punching, another for binding. Both with low force.
Holes shape: Square; Holes Size: 0.15" x 0.15"; Closing Capacity: From 1/4" to 5/8"
Releasable 1-34 punching blade for different document sizes.
After punching, In addition to binding with wire binding ring, but also can bind a book or file with 3:1 pitch spiral binding coil on a desk (3:1 pitch means per inch has 3 holes)
Details: Rayson heavy Duty Punching & Binding Machine 3:1 Pitch Double Loop Wire Spines for efficiency and productivity. With releasable 34 punching blades, 15 sheets single punching capacity (80gsm 20lb paper) and 130 sheets binding capacity, this versatile & easy using comb binder allows user to punch & bind different size paper. Note: Rayson's binding machine comes with oiled cutting blade for protecting the punch die away from rusting. To avoid staining on the important document, please use oiled removing paper(enclosed ) to punch first in order to clean up the blades.