Durofix ET50CT12L Electric 5/8" Brad Nail/Staple 2-in-1 corded Gun Independent safety switch to control power on/off Shoots 4 different length staples and one brad nail size Switch-lock lever design for further safety control Contact safety mechanism prevents accident firing Staple range: 5/16", 3/8", 1/2", 9/16". Nail Range: 5/8", 18 Gauge brad nail Independent safety switch to control power on/off. Shoots 4 different length staples and one brad nail size. Switch-lock lever design for further safety control. Contact safety mechanism prevents accident firing.