Factor T Staples are designed for accuracy and reliability while fastening erosion control blankets, turf and geotextiles to the earth. Flat, square and precision manufactured, Factor T Staples are built to perform. They are the most precise six-inch ECB staple on the market. 50-count cartridges are ready for fast loading with the Rifle Staple Gun. Use with M50 or M100 models. Each box contains 1000 staples.