100pcs P50-J1 Dia 0.68mm Length 16mm Spring Test Probe Round Head Pin for PCB Testing Features: Spring test probes are necessary parts for PCB testing to access components on printed circuit assemblies. There are total 100 pieces spring test probes in one set that you can use for a long time. Soft contact, testing with these spring probes will not easily leave dent on PCB. Widely used for testing PCB gold fingers(edge connectors) and pads. They are great replacement probes if you need to change broken or old test probes.  Specifications: Head Shape: Round Current Rating: 3A Resistance: 50mΩ Stroke: 2.6mm Probe Tube Diameter: 0.68mm Probe Rod Diameter: 0.48mm Probe Length: 16mm Boring Size: 0.9mm Min. Test Interval: 1.27mm Quantity: 100pcs Package Includes: 100 x Probes