The CombBind CB30E Pro is a robust and durable electric comb binder designed to handle tasks in office, home, and school environments with medium to high volume usage demands. Its adjustable selector pins effortlessly adapt to paper sizes up to A4, offering customizable margin depths to suit your needs. Engineered for simplicity, it features a convenient clippings tray for easy disposal. With the capability to punch through up to 30x70gsm A4 sheets, this reliable binder can efficiently bind up to 500 sheets at a time using 51mm spines.