CARL 60007 Extra heavy-duty xhc-2300 two-hole punch, replacement punch head, 9/32 dia. Extra Heavy-Duty XHC-2300 Two-Hole Punch, Replacement Punch Head Kit. Drill 9/32" holes through 300 sheets with ease thanks to a strong handle grip and hardened precision-ground all-steel punch heads. Built-in paper guide ensures accurate paper positioning. Drill 9/32" holes through 300 sheets with ease thanks to a strong handle grip and hardened precision-ground all-steel punch heads. Built-in paper guide ensures accurate paper positioning. Transparent waste tray allows you to see when it is full. Replacement punch heads and discs available separately. This replacement punch kit makes it easy to refresh you punch and make it like new Durable punch heads feature a hollow design to slice through stacks of pages Includes 2 9/32-inch diameter punch heads and 4 punch disks Can be easily replaced Replacement kit for the hd-530n