Micro-Hook Test Connector: The XM Micro-Hook is designed for use where weight and leverage may damage components. Insulation to a single contact point assures accurate readings and the barrier on the tip prevents shorting between components. Part Length: 1.75 in. Material (Housing): Nylon. Material (Spring): Stainless Steel. Material (Contact Blade): Gold-Plated Beryllium Copper. Maximum Hook Diameter: 0.050 in. Current (Maximum Recommended): 4.4 AMPS. Voltage (Maximum Recomended): 2400 W.V.D.C. Temperature (Maximum Recommended): 93*C or 200*F. Color: Black.