The Leitz NeXXt Series Strong metal flat clinch stapler 55230095 in black is a sturdy metal stapler for everyday use. Flat Clinch technology saves up to 30% file space. Patented Direct Impact Technology ensures perfect stapling every time. Staples up to 40 sheets of paper (80 GSM). 180 degree opening enables nailing function. For Leitz Power Performance P4 staples, 24/8 or 26/8, staples pack included. 10 year guarantee when using Leitz staples.