51135-34293 3M Diamond Grade Conspicuity Marking 983-21 ES Yellow,1"x 150ft Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: MMM5113534293 Qty On Cart Features 3M Diamond Grade Fluorescent Yellow Conspicuity Markings 983-21 are designed to mark the emergency exits, side and rear perimeter of vehicles and rail... Features Back Features3M Diamond Grade Fluorescent Yellow Conspicuity Markings 983-21 are designed to mark the emergency exits, side and rear perimeter of vehicles and rail cars.