Compression Lugs with 3MCatalog Number 31149 are part of the Scotchlok™ product series 31000. They are made of copper material with a long barrel style and a maximum operating voltage of 35 Kilovolt. The lugs have an overall length of 5.31 inches (134.9 mm) and a pad width of 1.13 inches (28.6 mm). They are compatible with 250 kcmil copper conductors and come in a case quantity of 10. The lugs have two hole connectors and a stud size of 1/2 inch. They have an inside diameter of 0.59 inches (15.1 mm), an outer diameter of 0.75 inches, and a center of hole to center of hole distance of 1.75 inches (44.5 mm). The center of hole to end of pad distance is 0.63 inches (16.0 mm) and the pad length is 3 inches (76.2 mm). Suitable for use with copper conductors only. - 7000031407