Swingline GBC Binding Machine, Manual, 500 Sheet Binding Capacity, 25 Sheet Punch Capacity, CombBind C340 (7709000) 500-SHEET CAPACITY  Hardworking CombBind Machine tackles tough challenges. C340 binds up to 500 sheets and punches up to 25. Ideal for medium-to-large offices with mid-range binding needs. CONVENIENT COMBBIND  CombBind spines allows pages to lie flat for easy reading. Durable spines won't scratch, chip, peel or discolor over time. Machine binds spines with a maximum 2 diameter. EASY-TO-USE MANUAL MACHINE  Hardworking manual machine uses a unique, gravity-fed, low-force paper punch to make binding faster and easier. Accommodates both letter- and oversized documents. HANDY GUIDE  Color coded document and spine size guide is imprinted on the machine itself, ensuring accuracy and allowing you to easily select the correct spine for your project. BUILT TO LAST  GBC stands behind this high-quality machine with a limited one-year warranty.