Description: Product Type - High quality male and female terminals wire connector block with insulating sleeve set. Meterial - terminals are made of tin plated tin, which offer high conductivity, anti-oxidation, insulating sleeves are made of nylon, insulated flame retard, and secure. Package - This set include 50 male and female connectors and 50 male and female insulation sleeve total 200pcs. Easy using - You just need to connect the male and female terminals at both ends, and then the male and female terminals docked to complete the wiring easily. Application - Very suitable for garages, auto electricians, mechanics, workshops, perfect work for car, motorcycle, truck, marine,quad bike,scooter, boats, electric instruments. Specification: Model : 4.0mm Material : Copper ( Tin Plated ) Thickness : 0.3mm Insulation Sheath Color : Transparent Applicable Wires : 0.5 to 2. Package Includes: 50 Pieces Male Terminal 50 Pieces Female Terminal 50 Pieces Male Insulating Sleeve 50 Pieces Female Insulating Sleeve Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!