Specification:Product Name : Test Leads with Alligator Clips Test Probe Length : 22mm/0.87 inchTotal Length :111cm/43.7 inchVoltage/Current : 1000V/20AMale OD: 4mm/0.16 inchFemale OD: 8.5mm/0.33 inchJaw open size maximum : 10mm/0.39 inchColor : Black, RedPackage Content:1 x Red Silicone Test lead with test probe1 x Black Silicone Test lead with test probe1 x Red Alligator Clips1 x Black Alligator Clips Description:1.Test lead set connects a compatible electrical test meter to a device for testing2.The lead wires have silicone insulation to protect hands from shock and heat.3.The silicone insulation resists melting in hot environments and becoming brittle in cold ones, and it maintains flexibility better than polyvinyl chloride (PVC) insulation.4.The lead wires have standard probe tips that are held against the conductor during testing. Universal 4mm diameter socket, suitable for most multimeter.