1. The main line and branch line do not need to be stripped, one plug - in one pressure, fast wiring, flexible wire is recommended. 2. The conductive sheet is made of thick brass and tin - plated material, the brass sheet is thick, the load is large, the conductivity is excellent, it is not easy to heat, and the wiring is stable. 3. The shell is made of nylon material, insulation, high temperature resistance, anti - aging and corrosion resistance, reducing potential hazards in electricity consumption. 4. Safe and environmentally friendly, compact and beautiful, with strong practicability, firm wiring and safer electricity use. 5. A large number (210Pcs), can meet your use and replacement needs, very practically. Item Type: Lock Wire Connectors Material: Nylon, brass tin plated Purpose: Used for connecting parts of electrical wires, electrical controls, power supplies, home appliances, lighting, machinery, etc. Maximum Working Temperature: 105℃ Colour: As shown in the picture Wiring range: 0.5 - 1.0mm²/22 - 18AWG (Red), 0.75 - 2.5mm²/18 - 14AWG (Blue), 4 - 6mm²/12 - 10AWG (Yellow) Current upper limit: 10A (Red), 15A (Blue), 24A (Yellow) Maximum withstand voltage: 600V Size (L x W): approx. 19.3 x 32.0mm / 0.8 x 1.3in (Red & Blue), approx. 19.7 x 32.0mm / 0.8 x 1.3in (Yellow)