AUTOMOTIVE WIRE 16 AWG HIGH TEMP GXL WIRE BLACK 25 FT COIL COLOR: BLACK Type GXL Automotive Wiring Construction 19 STRANDS OF 29 AWG BARE COPPER WIRE.Conductor: Bare CopperInsulation: Cross-Linked Polyethylene (XLPE)Type GXL Automotive Wire Ratings and Approvals:Recommended Temperature Range: -51°C to +125°CFord Specification: Ford (M1L-85B)Chrysler Specification: Chrysler (MS-8900)SAE Specification: SAE J-1128OD: .104 WILL NOT SHIP ON A SPOOL .