20 pcs Tinned Marine Grade Copper Battery Welding Cable Lug Connector Terminal for 6 Gauge (6 AWG), 4 Gauge (4 AWG), 2 Gauge (2 AWG), 1/0 Gauge (1/0 AWG), 2/0 Gauge (2/0 AWG) and 4/0 Gauge (4/0 AWG) Designed to fit solid or stranded wire Closed end design to keep environmental conditions (e.g. outdoor environment) away from the cable connection Tinned for corrosion protection, excellent for outdoor installations and marine environments Pure copper cable lug with excellent conductivity characteristics Wire can be crimped or soldered to copper lug