Oscilloscope Probes are electrical component which connect the circuit under test and oscilloscope input. Our oscilloscope probes are high quality. Superior materials and advanced technology enhance the feeling and the structure. The smooth surface is easy to use. Oscilloscope probe attenuation can be adjusted with a 1X or 10X sliding switch. The grounding crocodile clip reliably grounds the probe stage for safe operation and correct signal reading. The tip of the removable hook is protected by a plastic case. The positioning sleeve ensures the stability and reliability of the tip exposed at the test point. 4 colors identification rings compatible with most oscilloscope probe sizes for easy channel differentiation. Package includes: 2 x probes, 16 x marker rings, 2 x ground wires, 4 x Locating sleeves, 2 x adjustment tools, 2x Ground Springs, 2 x user manual, 2x Oscilloscope link adapters Warranty: Hope you can be satisfied with our oscilloscope probes. We provide guarantee of a 30-day replacement or refund for any problem and 1 year waranty. If you have any question, feel free to contect us.