Aluminum Mechanical Lugs with Turn Prevent One Conductor 300MCM-#6 Awg - Aluminum Turn Prevent Lugs prevent movement of connector while tightening set screw.Aluminum Mechanical Lugs with Turn Prevent One Conductor 300MCM-#6 Awg features include: Aluminum Set Screw Connectors with a Turn Prevent on the bottom of the tang to eliminate potential movement of the connector Made of 6061-T6 Aluminum Alloy Tin Plated for Low Contact Resistance and Corrosion Protection Suitable For use with both Copper and Aluminum Conductors Rated for Use with 194deg;F(90deg;C) Cables 1 Conductor Turn Prevent lug rated 600V UL486B/CSA ListedAL9CU Dual RatedDimension Measurements = InchesOrder Qty of 1 = 1 Piece Below is more info on our Aluminum Mechanical Lugs with Turn Prevent One Conductor 300MCM-#6 Awg