Plunger-Style Mini Hook Test Leads: Fit virtually all major brand digital multimeters and test instruments - (TL20)The Triplett Model TL20 Plunger Style Mini Hook 40" PVC Test Leads with right angle shrouded standard banana jacks fit virtually all major brand digital multimeters and test instruments. The spring loaded hook tips clip on to PC board test points, wires, or components for hands free operation. They feature a 4mm diameter, 18 gauge wire, and a 5A max current. CAT II 300V safety category. Includes 2 red mini hook test leads.