Features: High current 30amp high current welding plug Excellent craftsmanship, strong and durability/more stable transmission. 48H Reinforced multiple layer structure doubled the protections, corrosion-resistant quality Mixed UL94V-0 PC flame retardant rubber cores insulation, heat-resistant strength, not easy to deforms the insertion and extraction of tight and not loose. Multiple safety protections determine the quality of applicable to a variety of different wire diameters, so that the operation becomes a little easy. 500V Withstands voltages and high Insulation impedance to 2000MQ Specifications: High current: 30amp Contact impedance: 10mQ Withstands voltages: 500V Insulation impedance: 2000MQ Mechanical life: 500 times Cores: mixed Tail tube: 8mm Type: Male/female Size：about 5.45x4.15x1.55cm/2.15x1.63x0.61in Package Includes: 1PC 9W4 mixed D-Sub Connector note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.