NSI Terminal Lug, Series: TL Series, Copper Conductor, 4 to 1/0 AWG Conductor, 5/16 in Stud, 1 Bolt Holes, 0.86 in W x 0.09 in THK Tongue, 600 VAC, Specifications: 1 Pole, 1 Conductor, 0.37 in Hole Spacing, 0.315 in Hole Dia, 1/4 in Wrench, 150 in-lb Torque, 90 deg C, Copper, Electro-Tin Plated, 1.584 in L x 0.723 in W x 0.792 in H Dimensions