Custom fit Replacement Headgear, Pipeliner, for Pipeliner Welding Helmet ORS NASCO threaded connections Aviation Gasket Sealant is threaded connections Aviation Gasket Sealant is a slow drying of Knots 20 Packing Type Clamshell Prop 65 YES Quarterly Flier NO Special Order NO Stock Status In Stock Structure Knot Wire UNSPSC 27111907 Welding Catalog NO pliable headband fits head contours comfortably Overhead band with multiple adjustments helps position the glassholder for the best view of the weld and a comfortable working position Exclusive “free floating” arms balance and stabilize the helmet while minimizing pressure points Strip proof ratchet head size adjustment provides small increment sizing Deeply offset