Specification: Quantity: 100 pcs per pack PINK connector: fits wire sizes 0.5-1.5mm² 22-18 AWG Package Included: 100 Pink Features: Standard crimp and then seal heat shrink butt connector with heat. Allows for visual inspection, prevents corrosion, and provids a water proof seal. For best results use a heat air gun until it reduces in size and the adhesive glue flows, filling gaps between the terminal and wire.