Reliable materials: These disconnected connectors are made of copper, good conductivity, high antioxidant, good toughness, easy to connect wires and cables, and flame retardant to ensure electrical safety Dimension information: Bronze cut off the appropriate accessories of the copper ring crushing the electrical terminal of 0.03 inches /0.8 mm, the outer ring 0.25 inches/6.35 mm, the ring diameter of 0.17 inches/4.2 mm suitable for#10 thread; our product quality and design not only not onlyEnsure a good fit, and maintain the integrity of the connection Easy connection: non -insulation and non -welded open -handed accessories are very suitable for circuit boards and connecting lines. One side is welded on the PCB, and the other side is welded on the connection line. Wide application: Copper -end -connectors can be used for connecting, pressing or welding wires and cables. It is suitable for audio and industrial electrical control, ships, automobiles, computers, solar cell boards, household appliances, machinery and other electrical connectors Colour:As Shown Material:brass Package Contents: 25x Non-Insulated Solderless Disconnect Adapter / 50x Non-Insulated Solderless Disconnect Adapter Only the above package content, other products are not included. Note: Light reflection 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.