CARL 150-Sheet XHC-150 Extra Heavy-Duty Three-Hole Punch, 9/32" Holes, Blue/Gray: * Extra heavy-duty 150-sheet capacity three-hole punch with built-in paper guide * Hollow punch head technology requires less force * Built-in paper guide for quick paper positioning and punching * Preset to drill holes for standard three-ring binders * Large, easy-to-empty waste trays * Oversized handle for easy drilling * Replacement punch heads and punch disks set, sold separately.