3M™ Speedglas™ Helmet 9000 with patented exhaust vents to help reduce stuffiness.  3M™ Speedglas™ ProTop hard hat / welding helmet with special pivot that allows the shield to "nest" down on the hard hat for better balance.  3M™Speedglas™9002V auto-darkening filter offers user-selectable dark shades 9 through 13 with shade 3 light state. Four-position sensitivity control. Adjustable recovery delay. Low center-of-gravity helps to reduce neck strain and make it easier to move around. Auto-darkening filter 9002V handles stick, MIG and TIG.