Material: Made of tin plated red copper for high conductivity low Voltage Drop and ant- oxidation. The insulation sleaves are made of nylon to prevent short circuiting. Easy to Use: Simply connect male and female terminals at both ends to easily complete any wiring job. Spade Connectors are a kind of terminal block which help you to quickly disconnect electrical and electronic components and devices. This method allows the use to disconnect electronic components from circuits quickly and reliably. They provide tensile strength, thermal conductivity, and resistance to vibration and corrosion. Wide Application: widely used in machinery, electrical equipment, home appliances, computers, cars and audio connection/fast disconnect systems. Other applications include computer and peripheral equipment, industrial controllers and telecommunications equipment. Set Contains 315 Pcs : 35x Type 2.8 Male / Female and Insulation sleeve; 35x Type 4.8 Male / Female and Insulation sleeve; 35x Type 6.3 Male / Female / Insulation Sleeve Wire Spade Connectors. This Complete Set comes in a Sturdy Plastic Transparent storage box that keeps all your important parts well organized and in one place with out losing them. Product provided by MMOBIEL - We always try our best to exceed your expectations at every turn. Join the ever growing list of satisfied customers and discover the difference with MMOBIEL.