Lucksender 100PCS Piggyback Spade Crimp Terminal Connector 0.5-6.0mm? 10-22AWG by Lucksender Insulated Piggyback Connector 6.3mm Female/Male To Take Cable Size 0.5-6.0mm2/ 10-22AWG. Fully insulated connectors, Tin-plated brass with vinyl-PVC insulation. High grade PVC insulation makes crimping easy whilst ensuring complete integrity of termination.