21-Hole Comb Binding Machine with 100 Spines

Overview

A professional comb binding machine designed for high-volume document binding in offices, schools, and businesses. It punches up to 21 holes and binds up to 450 sheets at once, making it ideal for bulk binding projects.

Features

• Punches up to 21 holes and 12 sheets per operation
• Binds up to 450 sheets in a single session
• Compatible with Letter, A4, A5, and other document sizes
• Adjustable edge guides and side margins for precision alignment
• Expandable comb binding range from 3/8" to 2"
• Simple lever operation: push up to punch, push down to bind
• Includes 100 PCS 3/8" comb binding spines

Materials & Care

Metal and plastic construction for durability and reliable performance in frequent-use environments.