The Bazic 3-Hole Punch is a portable and convenient tool designed for standard 3-ring binders. It features a built-in ruler for added functionality and a compact, lightweight design, making it perfect for students, professionals, and office use. The durable plastic construction ensures long-lasting performance, while the assorted colors (gray, blue, and pink) add a touch of personality to your workspace. Ideal for punching up to 3 sheets at a time, this binder-compatible hole puncher is an essential addition to any school or office supply collection.