Package list: 525 pcs of 21 types terminal pins, 400 pcs waterproof plugs, 18-PIN needle extractor, 1 tweezer for easy clamping, 1 clear box for easy use and storage. Excellent materials: Pin connectors are made of high-quality galvanized brass with high stability and electrical conductivity. Pin terminals with matching rubber seals provide high insulation and are airtight against brake fluid, oil, and fuel. Widely used: Pin connectors for sensors and devices in cars, toy airplanes, electronics, and equipment for most common wire sizes. This wire terminal kit is ideal for repairing automotive connectors and achieving a neat, original look without splicing in a new connector. Easy operation: Male and female mating connectors allow for fast and sealed cable splices. The latching design of the wire pin connector ensures proper contact alignment, prevents loosening, and stops contacts from slipping out of the power plug connector. Includes 1/1.5/1.8/2.2/2.8/3.5mm, 21 types of pin terminals. Various sizes meet diverse needs. Upgraded wire connector volume supports daily usage and helps reduce maintenance costs. Note: There may be slight color differences due to lighting and display variations. This does not affect functionality. Color: As shown. Material: Plastic + metal. Package contents: 525 pcs terminal pins, 400 pcs waterproof plugs, 18 pcs needle extractor, 1 tweezer. Only the items listed above are included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement error allowed is +/- 1-3 cm.