Product description: Product weight: 155g Box size: 17.5*10*2.3cm Package includes: Silver colour: 3.9mm bullet end male ----- 45PCS 3.9mm bullet female end ----- 45PCS Male sheath ----- 45PCS Female end sheath ----- 45PCS Gold: 3.9mm Bullet Male ----- 45PCS 3.9mm female end of bullet ----- 45PCS Male sheath ----- 45PCS Female sheath ----- 45PCS Insulation material: Nylon Terminal: Bullet Terminal Material: Copper About this item: [Fast Connection] Male and female bullet connectors with insulating sleeve set. You just need to connect the male and female connectors at both ends, and then the male and female terminals docked to complete the wiring easily. [Durability] Each bullet terminal in the electrical connectors kit features a thick tinned brass that resists corrosion to hold the wire tight when crimped. [Premium Material] Bullet terminal connectors are made of brass plated tin, which offer high conductivity, anti-oxidation, insulating sleeves are made of nylon, insulated flame retard, safe and secure. [Wide Applications] This bullet terminals connectors compliant with all electrical standards, perfect for electric instruments and automobile applications. Whether you are working on your automotive wire, home or scientific project, our Bullet Terminals Wire Connector will ensure everything bond correctly. [Stay Organized] This crimp terminals connectors come within a storage box, easy to store and carry.