Brady motor number wire marker card made of B-12 matte white acetate cloth, our HH series wire markers are oil and heat resistant making them perfect for varnish dip or baking cycles. Available in black on white. Card-mounted wire markers are sold as individual characters or as consecutive numbers and letters. - Brady motor number wire marker card B12 is designed to withstand elevated temperatures and is good for wire identification where bake cycles or varnish dips are involved. Brady B12 has good tensile strength and has good flexibility for wrapping around wires.