Mini-Hook Test Connector: The original mini-hook. Part Length: 2.25 in. Material (Housing): Nylon. Material (Spring): Stainless Steel. Material (Contact Blade): Gold-Plated Beryllium Copper. Current (Maximum Recommended): 5.9 AMPS. Voltage (Maximum Recommended): 5400 W.V.D.C. Temperature (Maximum Recommended): 200*F or 93*C. Color: Red.