input: [0] Power Connection Cable [1] 1 [2] 1 [3] Carries the electrical energy from an external power source to the trigger switch and then to the motor. It also protects the user from the electrical current. [4] Plastic (external casing) and copper (wire) [5] Flexible, durable, and cheap. [7] Cost effective and fast method of production. [6] 
output: Injection Molding.