Features: Brand new and high quality The connector is made of high-quality copper and alloy copper, the soldering antenna connector is made of high-quality rubber sleeve, and the base connector is made of hard plastic. The connector has excellent oxidation resistance, strong conductivity and long service life. The welding wire antenna connector has good insulation and is safe to use. The base connector has high hardness, wear resistance, high pressure resistance and heat resistance. The Connectors are easy to install. Simply just tighten the screw on the air plug. You will recieve 2pcs DKJ35-50 and 2pcs DKL35-50,200Amp-300Amp Welding cable quick connector male-female. Suitable for AWG wires #4-#1, 35-50 SQMM. Current at 200Amp-300Amp, male-female. Specifications: Material:Plastic Type: DKJ35-50 DKL35-50 Current: 200Amp-300Amp Color: Black Package Male:Approx.110x34m/4.33x1.33inch Female:Approx.87x35.5mm/3.42x1.39inch Package Includes: 2x DKJ35-50 Welding Cable Quick Connector Male 2x DKL35-50 Welding Cable Quick Connector Female note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.