Premium quality heavy duty stapler with stapling cassette system for accurate stapling of 2-80 sheets of paper (80gsm). This strong and durable stapler comes supplied with 4 colour coded stapling cassettes that can be easily interchanged using the front loading refill mechanism. Ideal for the office. post rooms and other communal spaces. one stapler can be used for multiple size documents by selecting and inserting the cassette with the staple size you need. Built to last. this heavy duty stapler is made from metal and a small share of recycled post-consumer plastic parts. repairable with spare parts to further extend the life of the stapler. At the end of its life it is 80% recyclable when completely dismantled in the different material types to reduce waste and helps to preserve the earths resources. The Leitz 5551 Heavy Duty Stapler comes covered by a 10 year guarantee when used with Leitz staples and is GS safety tested. Matching products are available to cover all your heavy dut