Leather FR Sateen Combo Jacket, Medium, Blue Tan no checkout The Black Knight® is one The Black Knight® is one of the most durable work gloves available With cotton lined PVC construction and 347 stainless steels Controlled ferrite in the weld deposit gives excellent notch toughness at cryogenic temperatures Deposits a max of 4% carbon in the weld metal to minimize the formation of chromium carbides and consequent susceptibility to intergranular corrosion Used on food and pharmaceutical equipment flame and abrasion resistance Leather FR sateen combo jacket provides comfortable protection Five insulated snaps with spatter guard front closure Flame retardant sateen body for cool protection Leather sleeves for heat