Durable all-metal construction with exceptional flexibility make this punch a consistent and versatile long-term performer. High-quality punch heads are totally adjustable for diverse punching applications; middle head disables quickly and easily for two-hole punching when you need it. Paper guide adjusts for letter or legal sheets. Margin depth guide adjusts to 3/8". Full base offers stability; non-marring removable chip holder for easy clean-up. Metal.