Tyvek® 400 Coverall, Serged Seams, Collar, Elastic Waist, Elastic Wrists and Ankles, Zipper Front, Storm Flap, White, Large no checkout such as chromated or freshly such as chromated or freshly plated parts Self locking on pipes and nuts Won't slip off the workpiece Gripping surface with special hardened teeth (61HRC) Wear resistant and grips any shaped object Thin head fits into tight places no films or laminates to abrade or wear away Comfort fit design enables a greater range of movement while stretching and bending with reinforcement in high stress areas Available in many different styles 0 micron in size Protection built into the fabric itself