Burndy K21A-U 2-Hole universal terminal accommodates three 2-AWG - 600-KCMIL aluminum and stranded 2-AWG - 600-KCMIL copper wires. It features aluminum construction and has electro-tin-plated finish for low contact resistance. It has stud size of 3/8-Inch and 1.38-Inch stud spacing. This terminal has 375 lb-Inch installation torque. Tongue of this lug measures 2.31-Inch x 0.75-Inch. This terminal is suitable for use with aluminum and copper conductors. It measures 4.91-Inch x 2.5-Inch x 3.03-Inch. Terminal is UL listed and CSA certified.