Automotive electrical test probe sets from Jumperkits, LLC come as the most economical high quality test probe kits on the market. The No. 18001.10-Kit consists of 40 different test probes, two leads with male banana plugs and two extension leads with male spade terminals on both ends. It contains Metri-Pack, Micro-Pack, Weather-Pack, round and square Micro 64 probes. These probes help prevent damage to terminals and help eliminate false readings.