: Quantity: 8pcs Color: red + black Material: Multimeter Probes is made of nickel plated brass and stainless steel material, not easy to rust, long use time. Feature: The needles with a diameter of 0.7mm can easily puncture cables for measuring without damage. Stainless steel material is hard and won't bee faded. The red and black color can distinguish channels. Electrical parameters: The probe tail can be connected to standard 4mm banana plug. The inner conductor is made of nickel plated brass with good conductivity. The voltage and current is 30V 10A. Wide applications: The back probe pins are widely used in non-destructive testing of cables such as automobile maintenance, telecommunications testing, industrial field testing, etc. Package includes: 8 pieces insulated test probes with red and black colors.