Bare Copper Lug Ring Terminals Choose your pack size. Quantity: 1 Piece, 2 Piece, 5 Pack, 10 Pack, 25 Pack, 50 Pack, 100 Pack Material: Bare Copper Wire Gauge: 8 AWG, 6 AWG, 4 AWG, 2 AWG, 1 AWG, 1/0, 2/0, 3/0, or 4/0 Hole Size: (STUD 10 FOR 8 AND 6 AWG) 1/4", 5/16", 3/8", or 1/2" 600 VOLTS T2 REAL COPPER Barrel Type : Closed Seamless performance Seamless barrel design Heavy Duty 600v + Application. Crimp or Solder Flared Barrel We Sell Welding Cable size 4/0 thur 8 awg