Adjust the knob according to the diameter of wire, turn the knob counterclockwise to raise for easy wire insertion Rotating the knob clockwise to lower, gripping wire for stripping This wire Strippers faster and cleaner cut, ensuring durability and wear resistance for years of continuous use The newly upgraded rollers provide a smooth and efficient customized for cables of different shape and size, effectively slipping The cable Strippers is portable, and can easily fit in a bag or at the back of your truck for easy transport and storage The adjustable knob of this portable wire Strippers covers various Coppers wire widths from 7 / 0 to 12 ( 0.08 ' ' 1 ' ' / 2-22mm), allowing you to handle all the most common size safely and easily This wire Strippers is selected from ABS+PC, offering excellent heat resistance and stability for life, Manufacturer: HDOYTXXM