Stackable Banana Plugs: both ends of the test leads are stackable 4mm standard banana plugs. you can plug more than one banana plug into the same banana socket according to your needs, convenient for your application at work. Lead length: 3.3ft. Voltage: 1000V. Current: 15A. Upgraded Version: The alligator clip is firmly fixed to the wire, and the rubber insulation layer ensures that it will not slip during use. The spring on the crocodile clip is strong enough and will not deform as you use it more often.The max open wide is 0.4Inch/10mm. Function: Suitable for all electrical testing, electronic applications and moderate to low current testing on your vintage cars,automotive accessories, trucks and motorcycle. When you have to test many circuits sequentially,this 5 colors cable is an absolute necessity. Replaceable Alligator Clips: The tail of the alligator clip can be connected to both ends of the banana plug. 5 colors easy to distinguish them during use and expand test performance. Package include: 5PCS stackable banana plug test leads. 10PCS full insulated alligator clips. 5 colors easy to distinguish them during use. Colour:Multicolor Material:Plastic+Metal Package Contents: 5 * stackable banana plug test leads 10 * full insulated alligator clips 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.