Blackburn® Mechanical Connector, Type ADR-ALCUL Dual Rated, Aluminum/Stranded Copper Conductor, 14 to 2/0 AWG Conductor, 1/4 in Stud, 1 Bolt Holes, 27/32 in L x 5/8 in W x 3/16 in THK Tongue, Straight Tongue, 600 VAC, Specifications: 1-Conductor, Slotted Screw, 1/4 in Hole Spacing, Aluminum, Tin Coated, 1-15/32 in L x 5/8 in W x 25/32 in H Dimensions