Silvertronic's Easy Access Scope Series Back Probe Kit, No. 905266, is made up of four color-coded, .028" O.D. back probe pins ideal for connecting to fuel injectors, MAP and TPS sensors, as well as any weather pack seal type connectors. Additionally, the kit contains four color-coded, extra-long 76", double-insulated silicone test leads (rated 1000V, CAT III, 20-Amp) that are impervious to extreme temperatures, automotive solvents and remain extremely flexible over time. Also included is a four-pocket test lead organizer for convenient storage.