Superior quality : The 2 wire jelly pads are made of premium plastic, including a sealing gel inside the case that promises an airtight environment for drivers. Branch connectors can be crimped to avoid twisting and stripping the wires, it's a good product at a low price and much better than rusting dominoes, they can also join cables that are difficult to solder. Design Filled with Gel and Raincoat: Grease filled moisture proof inside, keep good waterproof, safe and reliable. Inside gel filled design promises airtight environment for riders. corrosion to protect the connection from air and moisture. Applicable Size: The connection terminals with clamping contacts are applicable to conductors with an internal diameter of 0.4mm to 0.7mm and a maximum external diameter (including the insulating layer) of 1.52mm. Easy and Quick Assembly: The electrical conduit fittings are quick and easy to assemble with less risk of moisture by simply inserting the splice wires into each hole and then pushing the yellow button into the clear plastic housing. Various Occasion: The signal transmission connectors are applicable perfectly to telephone cables, alarm cables, 12v cables, speaker cables and other similar cables. The connectors can also be in versatile use for Garden, Invisible Dog Fence, Underground Laying and many more. Note: The data are all manual measurement, please allow 1 3cm error, due to the light and display difference, there will be a certain color difference, depending on the physical object received Delivery Quantity: (according to the main image)