No. 66/8mm Heavy Duty Staples provide a high quality, reliable solution for all your stapling needs. Stapling up to 40 sheets of paper (80gsm), they are ideal for regular and heavy duty stapling tasks at home, in the office or at school. Designed for use with the Rexel Giant and Goliath Heavy Duty Staplers for accurate, trouble free stapling. Made from high quality steel and supplied in a pack of 5000 staples.