10pcs Insulation Piercing Needle Non-destructive Multimeter Test Probes Measuring Device for Banana Plug. High-quality, durable, and sharp tip ensures good contact with electrical connectors. Suitable for multimeter, with specifications including current: 1A, voltage: 30V, and needle size: about 0.7mm/0.03inch. Made of stainless steel, with a dimension as shown in the figure, single length: about 79.9mm/3.15inch, and single weight: 3g. Includes 5 x Red Test Probe and 5 x Black Test Probe.