Insulation Security banana plug to banana plug test lead cable The transparent tube in the head is retractable, can protect you from electric shocking when testing. Banana Plug: 4 mm. These banana plugs leads are stackable, so you can plug more than one banana plug into the banana socket. 1m flexible test cable. Voltage: 1000V;Current:15A-32A. The normal total length is 100cm/39.37in. Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour: Black & Red Material: Plastic Package Contents: 4 x Test Cable 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.