Sealey Panoramic Welding Helmet Auto Darkening Shade 9 13 PWH602Fully digital panoramic welding helmet with true colour technology gives the best possible welding experience, providing improved depth perception and better peripheral vision. High quality variable shade 9 13 lens manufactured and tested to ISO 16321. Fully automatic switching from light to dark on striking arc. Digital control panel easily switches between modes and set delay, sensitivity and shade settings. Also includes memory save function to