Officemate Ergonomic Super Heavy Duty 3 Hole Eco Punch, 160 Sheet Capacity, Recycled, Black/Gray/Green (90111) Unique high-capacity chip tray is easy to remove and allows viewing of chips buildup Has built-in paper guide, plus a compartment to store spare heads and discs Made from 30% recycled plastic Replacement Punch Head Set with 3 punch heads and 6 discs available (Officemate OIC order # 90113)