Copper Tubular Terminal #4 Awg 3/8" Stud Size - One Hole Copper Tubular Terminal are an excellent choice for DC Power and Solar Applications .Copper 1 Hole Tubular Terminals #4 Awg 3/8" Stud Size features include: Our One Hole Copper Tubular Terminals are made of High-Conductivity Seamless Tubular Copper Uniform bright electro-tin plating resists corrosion, reduces contact resistance and gives you maximum conductivity Flared Belled barrel edges for ease of conductor insertion UL 486A Listed 105deg;C 600V Listed for 35KV when properly installed UL and cUL Listed Dimension Measurements = Inches Order Qty of 1 = 1 Piece Below is more info on our 1 Hole Copper Tubular Terminals #4 Awg 3/8" Stud Size