Application: Suitable for outdoor, maintenance and other scene Steel: Steel, wear-resistant and corrosion-resistant, with long service life Precisions technology: Strong cutting power, suitable for screws of various size Nonslip grip: Humanized grip design, nonslip grip, more comfortable and stable Slotted head design: Meet the tightening requirements of different type of screws and is multifunctional, Manufacturer: RUINBNC