The Vevor coil spiral binding machine is designed for efficient document binding in offices, schools, and businesses. It punches up to 12 sheets at a time with 34 holes and can bind documents up to 120 sheets. Adjustable edge guides, side margins, and support for Letter, A4, and A5 sizes make it versatile for a range of projects. Its iron base, ABS shell, and metal side arms provide durable everyday performance. The included oil-absorbing paper helps prepare the machine for first use.