Staples up to 5,000 times without reloading. Flat-clinch stapling ensures that stacks of paper will lie flat. Throat adjusts from 1/4 in to 3/4 in. Plastic and metal. Top loads a cartridge (5,000) of flat clinch staples. Package includes 5,000-staple cartridge. Stapler Type: Flat-Clinch Electric; Staple Capacity: Cartridge (5,000); Size of Staple Used: 3/8 in; Type of Staple Used: Flat Clinch.