The SPARK PLUG WIRE 100' SPL 7 MM HYPALON is designed for high-performance applications with its robust 7 mm cable size. This black ignition wire features a tin-plated copper core, ensuring excellent conductivity and durability. The SBR (styrene butadiene rubber) insulation provides reliable protection against heat, while the CPE (chlorinated polyethylene) jacket enhances resistance to environmental factors. With a temperature rating of 110 , this wire is suitable for various automotive and industrial ignition systems. The product comes in a convenient 100-foot spool, measuring 6-1/2" wide x 5" tall with a 2" inner diameter.