1m flexible test cable. Voltage: 1000V;Current:15A. Banana Plug: 4 mm. 3.3 ft wire with nice rubber insulation cover and the alligator clips,fork insert made of copper. The clips make it easier to grasp the battery you are trying to read, allows hands-free testing, great for remote spaces. Combined test leads - The package come with two double-end Banana plugs + two alligator clips + two copper fork insert. You can use banana plug insert to alligator clip, Copper fork insert to crocodile clip; Double ended banana plugs, Banana plug insert to copper fork insert The wire is decent thickness,the ends themselves feel rubberized and not hard slick plastic like some other types of cables you find. They are silicone test lead cables. Silicone wires are very soft , very flexible, very nice to work with. Good test cables for your lab. Every electronic techie out there should have these cables. Sturdy Banana Plugs and the silicone insulation greatly enhance durability and flexibility of the lead