K-T Industries Matte Black Auto Darkening Helmet Cleaning Supplies Center feed screw pilots the

Center feed screw pilots the bit and allows the bit to pull through fast

Soft setting

Good color fastness so lines remain visible

manufactured from forged steel

K-T Industries Matte Black Auto Darkening Helmet Cleaning Supplies Center feed screw pilots theAuto Darkening's best value! Sturdy construction helmets are made of lightweight, molded nylon with a ratcheting headgear and moistureabsorbing headband lining. User can customized fit with a special up down, forward backward headband mechanism, reducing fatigue of the head and neck. Sensitivity adjustment knob is located outside the helmet making it more convenient to adjust. Upon striking an arc, the filter automatically changes from clear to dark