21PCS BACK PROBE Kit: The Back Probe Lead Set includes 15pcs Back Probe Pins & 5pcs Banana Plug to alligator clip circuit test wires (39.37inch), Everything packaged in 1 box. BACK PROBES: The Back Probe Lead Set has 3 different probe angles ( 90°, 135°, Straight)，5 colors stainless steel back probes ,0.07mm needle , testing up to 30 Volts for Connectors,Automotive Sensors and Fuel Injectors. WIRE PIERCING PROBES: The test probes can be easily connected with the 4mm banana plug test leads. No need to strip off the cables and no damage to the cables. Great for back probing weather pack style connectors used with numerous automotive sensors. (Using steps: 1. Stick the wire in the white plastic case; 2. Insert the probe into the plastic case and pierce the wire.) ALLIGATOR CLIPS: The tail of the alligator clips can be perfectly connected with the 4mm male banana plugs. 5 colors make it easy to distinguish them during testing. Maximum opening: 15mm. Current Voltage: CATII 300Vac/15A. WIDE APPLICATION: Not only for Automotive Diagnostics, Testing, and Repairing, but also used in Physics Laboratories, Service Shops, Schools, Homes, and Industries. Probes can easily insert into automotive connectors and use on harness connectors, fuel injectors, and automotive sensors. Fetures:
Excellent back-probing kit not only can be used for car, automotive, vehicle electrical testing, diagnostics and irreplaceable troubleshooting, but also can be used in physics laboratories, schools, homes and industries.
Back probes are made of stainless steel. Three different angles can deal with different test scenarios.
The included alligator clips and wire-piercing probes further expand your testing needs.
Comes with a storage box to organize your tools.

Specifications:
Rated Voltage: 30V
Cable length: 39.37 inch / 1m
Banana Plug Size: 4mm
Cable Material: Soft PVC
Voltage/Current: 500V/5A
Material of Probe Lead: Stainless steel, Nylon
Compatible: Automotive, industrial, HVAC, electrical, marine and more.

Package Included：
15 X Back Probe Pins
5 X Banana Plug to Alligator Clips Leads
1 x Storage Box