Amp - Te Connectivity 51863-3.
5; Stud Size - Imperial:#6; Wire Size AWG Max:20AWG; Conductor Area CSA:0.TERMINAL, RING, #6 STUD, CRIMP, RED, 20AWG; Stud Size - Metric:M3.6mm²; Product Range:PIDG Series; Insulator Colour:Red; Insulator Material:Nylon (Polyamide).