Positive Electrode Spark Plug Cap + Negative Electrode Ground Wire for Engine Models

Features:

.Wiring Method: The engine's metal shell is connected to the negative electrode ground wire, while the positive electrode spark plug cap is connected to the electric heating plug or spark plug.
.High Quality: Made of high-temperature and high-pressure silicone, this product is well-made and can be used with a wide range of model engines.
Specifications:

.Material: ABS + Copper
.Product Weight: 9g
.Package Dimensions: 10 x 6 x 3cm
.Package Weight: 19g
.Packing: Bag
.Ages: 14+