This Rapesco 747 stapler is an executive, heavy duty, desktop stapler with a high stapling capacity of up to 50 sheets of 80gsm paper The stapler features an all steel chassis and uses 24/6mm and 26/6mm staples (2 - 20 sheets), or 24/8mm and 26/8mm staples (15 - 50 sheets) The stapler also features an adjustable paper guide/margin adjuster for accurate stapling and a push button, front loading system for easy, full strip refilling