BURNDY® Universal Terminal Lug, Dual Rated, Series: K3A-U, Copper/Stranded Aluminum Conductor, 6 AWG to 350 kcmil Conductor, 1/2 in Stud, 3 Bolt Holes, 3.52 in W x 0.31 in THK Tongue, Straight Tongue, Specifications: 1.38 in H x 3 in W Collar, Hex Screw 1-3/4 in Mounting Hole Spacing, Aluminum Alloy, Tin Plated, 4.31 in L x 3.00 in W Dimensions