Ilsco Mechanical lug connector is made of 6061-T6 aluminum alloy for added strength and long lasting durability. It comes with 1/2-Inch hex socket screw and features electro-tin plating that offers resistance to corrosion. It has 1/2-Inch bolt/stud and has mounting hole spacing of 1-3/4 inches. It measures 5.970 Inch x 4.125 Inch x 1.813 Inch. Lug can be used with either copper/aluminum conductors and accommodates conductor of size 800 - 350 kcmil.Lug connector is rated at 2000 Volts and ideal for use in circuits rated up to 35 kilo-Volts. Connector is suitable for use with terminating connector. It withstands temperature rating of 90 deg C. It has a straight pad measuring 3-7/16 Inch x 4-1/4 Inch x 9/16 Inch. Connector can be easily installed with chamfered wire entry. Lug connector is UL listed and CSA certified. Also known as -Ilsco T3A4-800N 4916134 Mechanical Lug Connector 1/2 Inch Bolt Size 800-350 KCM