22-18 gauge vinyl insulated locking/snapping spade terminals. #8 Mounting stud. Red vinyl (PVC) insulation is tapered to make wire insertion easier. Base terminal made from tin plated copper. Temperature rating up to 221°F (105°C). Voltage rating up to 600 volts.
Compatible with 20 Gauge and 18 Gauge Wire. Also see their Cross-Link alternatives.