Aluminum Splicers/Reducers 4 Screw 250MCM-#6 - 4 Screw Aluminum Splice for Copper and Aluminum Cable.Aluminum Splicers/Reducers 4 Screw 250MCM-#6 features include: 4 Set Screws for Excellent Contact Integrity Aluminum Splice Reducer is AL9CU Dual Rated for both Copper and Aluminum Conductors Manufactured from High Strength 6061-T6 Aluminum Alloy to ensure both Maximum Strength and Conductivity Electro Tin Plated to provide low contact resistance and protection against corrosion 4 Screw Aluminum Reducer is rated 600 Volts UL486B/CSA ListedAL9CU Dual Rated Rated for use with Cables up to 194deg;F(90deg;C) 600 Volt Dimension Measurements = Inches Order Qty of 1 = 1 Piece nbsp;Below is more info on our Aluminum Splicers/Reducers 4 Screw 250MCM-#6