3M Diamond Grade 983 10 FRA 4X50 ~ Rail Car Markings 983 10 FRA ES edge sealed White (4 Inch x 50 Yards) 7000129426 Length_28 Inch The 3M E A Rfit Dual Ear Validation Our Endura 505MARS gloves The 3M E A Rfit Dual Ear Validation System uses F MIRE (Field Microphone In Real Ear) technology to generate a Personal Attenuation Rating (PAR) 5 is a one piece metal collar assembly encasing 3M's heat expanding 3M Fire Barrier Wrap Strip Ultra GS material Brand 3M Line Diamond Grade Adhesive Type Pressure sensitive Application Rail cars and locomotives Color White Length 50yds Width 4 Inch Origin Country USA Product Type Safety Tapes these markings are engineered to provide good visibility at high and wide entrance angles