Feature: The contacts are copper galvanized, not easy to oxidize, good conductivity and long service life. Blue, red, yellow, different colors, convenient for marking different types of wiring. All terminals wire connectors are stored in a box for easy carrying. Make your wiring more convenient and flexible. A variety of types of terminals to meet different wiring needs. Specification: Material: Material: Plastic, Copper with Galvanized treatment Package list:(Optional) Package #1, 200pcs 10 * Red (Piggy Back) 15 * Red + 15 * Blue (Ring M5) 10 * Red + 10 * Blue (Bullet Male connect) 10 * Red + 10 * Blue (Bullet Female connect) 20 * Red + 20 * Blue (spade250 Male connect) 20 * Red + 20 * Blue (spade250 Female connect) 10 * Red + 10 * Blue (spade250 insulated Female connect) 10 * Red + 10 * Blue (Butt joint) Package #2, 300pcs Ring M4 20 * (10 * Red + 10 * Blue) Ring M5 30 * (10 * Red + 10 * Blue + 10 * Yellow) Ring M6 30 * (10 * Red + 10 * Blue + 10 * Yellow) Ring M8 10 * (10 * Yellow) Bullet Male connect 30 * (10 * Red + 10 * Blue + 10 * Yellow) Bullet Female connect 30 * (10cs Red + 10 * Blue + 10 * Yellow) Spade 250 Female 10 * (10 * Yellow) spade250 Female connect(Semi-insulated) 30 * (10 * Red + 10 * Blue+ 10 * Yellow ) spade250 Female connect(Semi-insulated) 20 * (10 * Red + 10 * Blue ) spade250 Female connect(Fully Insulated) 30 * (10 * Red + 10 * Blue + 10 * Yellow ) Butt joint 30 * (10 * Red + 10 * Blue + 10 * Yellow) Piggy back 250 30 * (10 * Red + 10 * Blue + 10 * Yellow) Package #3, 360pcs Ring M4 40 * (20 * Red + 20 * Blue) Ring M5 40 * (20 * Red + 20 * Blue) Ring M6 40 * (20 * Red + 20 * Blue) Bullet Male 40 * (20 * Red + 20 * Blue) Bullet Female 40 * (20 * Red + 20 * Blue) Spade 250 Male 40 * (20 * Red + 20 * Blue) Spade 250 Female 40 * (20 * Red + 20 * Blue) Spade 250 Female (Fully Insulated) 40 * (20 * Red + 20 * Blue) Butt Splice 40 * (20 * Red + 20 * Blue) Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.