BURNDY® Universal Terminal Lug, Dual Rated, Series: K3A-U, Copper/Stranded Aluminum Conductor, 6 AWG to 250 kcmil Conductor, 1/2 in Stud, 3 Bolt Holes, 3.01 in W x 0.31 in THK Tongue, Straight Tongue, Specifications: 1.19 in H x 2.81 in W Collar, Slotted Screw 1-3/4 in Mounting Hole Spacing, Aluminum Alloy, Tin Plated, 4.00 in L x 2.81 in W Dimensions