Features: 【Connector Set】Includes 5 sets of DT connectors 5 pieces green wedge locks, 5 pieces connector retaining clips, 5 pieces sealing , 10 pairs of solid male and female contacts (16 gauge). 【Material of the connector】The PA66 nylon, strong and aging-resistant, waterproof to IP68（1M/4H), suitable for long-term use. The connector material is UL94-V0 certified (UL94 flame retardant). Note: Due to the addition of flame retardant, the product may have a certain, which is normal. 【Connector Performance Improvement】IP68 waterproof - all without additional housings or covers. Better protection of your electrical equipment: e.g. automotive equipment, marine equipment, outdoor equipment exposed to rain, etc. To meet IP68, the use of 20-16 wire guage is recommended, compatible insulation diameter range: 2.23-3.68 mm [.087-.144 in]. 【DT Connector Terminal Kit】solid contacts are made of solid copper alloy, easy to crimp and insert into the and suitable for 20-16 wire guage. They have high stability and conductivity, low temperature rise, extend the service life of the equipment and improve the safety and stability of the system. 【Wide range of applications】DT connectors have been proven in practice and are widely used in trucks, buses, motorcycles, rescue vehicles, construction, agriculture, mining, forestry, leisure and marine applications. 【Applicable crimping pliers】Recommended for the use of for NEW-DT1/for ACT-HDT-16DT, for JRD-HDT-48 (for HDT-4800 equivalent) crimping pliers, this crimping pliers is suitable for crimping 16# solid pin/socket contacts. Specifications: *Part Name:Connector, Wedge lock, stopper, round terminal, *Material:ABS *Size:2pin 18*18*55mm, 3pin 21*25*55mm, 4pin 21*20*58mm, 6pin 21*24*58mm, 8pin 38*25*58mm, 12pin 41*22*58mm *Color:Gray *Optional Type:2pin, 3pin, 4 [COMPREHENSIVE CONNECTOR SET] This set includes 5 sets of DT connectors, 5 green wedge locks, 5 connector retaining clips, 5 sealing , and 10 pairs of solid male and female contacts (16 gauge) for all your wiring needs. [MATERIAL DURABILITY] Made from PA66 nylon, these connectors are strong and resistant to aging. They are waterproof to IP68 standards (1M/4H), reliable performance in harsh conditions. [EASY INSTALLATION] The included retaining clips and wedge locks facilitate a secure and straightforward installation process, making it suitable for both professionals and DIY enthusiasts. [FLAME RETARDANT PROTECTION] UL94 V0 certified material provides flame retardant properties, safety during use in various applications. [SIZING REMINDER] Please ensure compatibility with your wire gauge; these connectors are designed for wire gauges between 16-