The Challenge Paper Drill Bit – Hollow 11/32″ (8.7mm) is a precision-engineered accessory designed to deliver clean, consistent holes through stacks of paper with ease. Crafted from high-quality steel, this hollow drill bit ensures sharp cutting performance and durability, making it ideal for heavy-duty use in print shops, binderies, and office environments. Its 11/32-inch x 2-inch diameter provides a perfect size for common binding tasks, ensuring smooth operation and professional results every time.