GXL Wire is preferred in engine wiring and other areas of high temperatures. The coating is an insulation that is highly resistant to moisture, solvents and heat. GXL coating can withstand temperatures up to 257*F (125*C) without melting. Large selection of colors available in many lengths. Orders of multiple lengths of one color will be cut and shipped as one piece totaling the length of the order. I will leave 5-star positive feedback after receiving the same from you. I strive for 100% customer satisfaction. If for any reason you are displeased contact me. Please do not leave negative feedback. Shipping to 50 U.S. states. I reserve the right to cancel suspicious purchases.