Product Name: Closed End Wire Connector;Model: CE-1;Crimp Guage: 22-18(0.6mm-1.6mm/ 0.02" x0.06") Temperature Rating: 105Celsius(221 Fahrenheitc) Max;Voltage Rating: 300V Max;Tin-plated Tube Inner Dia: 3mm/ 0.1" Tin-plated Tube Length: 12mm/ 0.47";Inner Dia: 8mm/ 0.31";Total Size (Each): 9 x 18mm/ 0.35" x 0.7" (D*L) Color: White;Material: Plastic, Metal This closed end connectors with internal tin-plated tube to perfect connections between wires. Just strip of the wire and insert securely inside the connector crimp by crimping tool. Package Contents: 300(+/-2%) x Closed End Wire Connector Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.