Arrow Fastener T50AC Professional Electric Staple Gun and Nailer Spiral-drive technology for consistent, driving power with every shot Works with all sizes of T50 staples from 1/4-inch up to 9/16-inch as well as 9/16-inch and 5/8-inch Brad nails Indicator light alerts when staples/nails are low Easy access magazine release for quick reloading Integrated LED work light provides focused illumination at the desired work area