Ilsco Compression sleeve in brown color is made of seamless copper for durability and high conductivity. It has electro tin-plated finish for corrosion resistance and is rated at 600 Volts. Measures 0.828 Inch inner diameter x 1.062 Inch outer diameter x 4.625 Inch and has die index number 1-87 with a strip length of 1.625. It has long chamfered barrel and can accommodate a conductor of size 500-250 KCMIL that can withstand a temperature of 90 deg C. Sleeve is UL listed, CSA certified and RoSH compliment. Also known as -Ilsco CTL-500 Long Barrel Compression Sleeve 500 KCMIL Brown